1. Two cards are drawn from a well-shuffled ordinary
deck of 52 cards. Find the probability that they are both aces if
the first card is (a) replaced, (b) not replaced.
2. Find the probability of a 4 turning up at least once in two
tosses of a fair die.
3. One bag contains 4 white balls and 2 black balls; another
contains 3 white balls and 5 black balls. If one ball is drawn from
each bag, find the probability that (a) both are white, (b) both
are black,(c) one is white and one is black.
4. Box I contains 3 red and 2 blue marbles while Box II contains 2
red and 8 blue marbles. A fair coin is tossed. If the coin turns up
heads, a marble is chosen from Box I; if it turns up tails, a
marble is chosen from Box II. Find the probability that a red
marble is chosen.
5. A committee of 3 members is to be formed consisting of one
representative each from labor, management, and the public. If
there are 3 possible representatives from labor,2 from management,
and 4 from the public, determine how many different committees can
be formed
6. In how many ways can 5 differently colored marbles be arranged
in a row?
7. In how many ways can 10 people be seated on a bench if only 4
seats are available?
8. It is required to seat 5 men and 4 women in a row so that the
women occupy the even places. How many such arrangements are
possible?
9. How many 4-digit numbers can be formed with the 10 digits
0,1,2,3,. . . ,9 if (a) repetitions are allowed, (b) repetitions
are not allowed, (c) the last digit must be zero and repetitions
are not allowed?
10. Four different mathematics books, six different physics books,
and two different chemistry books are to be arranged on a shelf.
How many different arrangements are possible if (a) the books in
each particular subject must all stand together, (b) only the
mathematics books must stand together?
11. Five red marbles, two white marbles, and three blue marbles are
arranged in a row. If all the marbles of the same color are not
distinguishable from each other, how many different arrangements
are possible?
12. In how many ways can 7 people be seated at a round table if (a)
they can sit anywhere,(b) 2 particular people must not sit next to
each other?
13. In how many ways can 10 objects be split into two groups
containing 4 and 6 objects, respectively?
14. In how many ways can a committee of 5 people be chosen out of 9
people?
15. Out of 5 mathematicians and 7 physicists, a committee
consisting of 2 mathematicians and 3 physicists is to be formed. In
how many ways can this be done if (a) any mathematician and any
physicist can be included, (b) one particular physicist must be on
the committee, (c) two particular mathematicians cannot be on the
committee?
16. How many different salads can be made from lettuce, escarole,
endive, watercress, and chicory?
17. From 7 consonants and 5 vowels,how many words can be formed
consisting of 4 different consonants and 3 different vowels? The
words need not have meaning.
18. In the game of poker5 cards are drawn from a pack of 52
well-shuffled cards. Find the probability that (a) 4 are aces, (b)
4 are aces and 1 is a king, (c) 3 are tens and 2 are jacks, (d) a
nine, ten, jack, queen, king are obtained in any order, (e) 3 are
of any one suit and 2 are of another, (f) at least 1 ace is
obtained.
19. Determine the probability of three 6s in 5 tosses of a fair
die.
20. A shelf has 6 mathematics books and 4 physics books. Find the
probability that 3 particular mathematics books will be
together.
21. A and B play 12 games of chess of which 6 are won by A,4 are
won by B,and 2 end in a draw. They agree to play a tournament
consisting of 3 games. Find the probability that (a) A wins all 3
games, (b) 2 games end in a draw, (c) A and B win alternately, (d)
B wins at least 1 game.
22. A and B play a game in which they alternately toss a pair of
dice. The one who is first to get a total of 7 wins the game. Find
the probability that (a) the one who tosses first will win the
game, (b) the one who tosses second will win the game.
23. A machine produces a total of 12,000 bolts a day, which are on
the average 3% defective. Find the probability that out of 600
bolts chosen at random, 12 will be defective.
24. The probabilities that a husband and wife will be alive 20
years from now are given by 0.8 and 0.9, respectively. Find the
probability that in 20 years (a) both, (b) neither, (c) at least
one, will be alive.
ok, I'll update this to 3 to 4 questions. Thanks!
In: Statistics and Probability
In this lab assignment, students will demonstrate the abilities to: - Use functions in math module - Generate random floating numbers - Select a random element from a sequence of elements - Select a random sample from a sequence of elements (Python Programming)
NO BREAK STATEMENTS AND IF TRUE STATEMENTS PLEASE
Help with the (create) of a program to play Blackjack. In this program, the user plays against the dealer. Please do the following.
(a) Give the user two cards.
You can use the following statements to create a list of cards: cards = ("A","2","3","4","5","6","7","8","9","10","J","Q","K") Use the choice function of the random module twice to draw two cards. J, Q and K each has a value of 10. To make the program easier, A always has a value of 11. Display the two cards drawn and the total value. If the total is 21, display "Blackjack! You have won!" and end the game (You can use the exit() function to end the program).
(b) Use a loop to allow user to draw more cards. Every time a card is drawn, display the card and the updated total. If the total is 21, display "Blackjack! You have won!" and end the game. If the total is higher than 21, display "Bust! You have lost!" and end the game. Otherwise, let the user to decide to draw another card.
(c) Use a loop to draw cards for the dealer. Every time a card is drawn, display the card and the updated total. If the total is 21, display "Blackjack! Dealer has won!" and end the game. If the total is higher than 21, display "Bust! Dealer has lost!" and end the game. The dealer must continue to draw another card until the total is 17 or higher.
(d) If neither the dealer nor the user gets blackjack or bust, compare their totals. If the user's total is higher, display "You have won"; otherwise, display "dealer has won".
The followings are a few examples: Card drawn: 7 Player's Total: 7 Card drawn: 7 Player's Total: 14 Want another card? [y/n] y Card drawn: K Player's Total: 24 Bust! You have lost!
Card drawn: 4 Player's Total: 4 Card drawn: Q Player's Total: 14 Want another card? [y/n] y Card drawn: 3 Player's Total: 17 Want another card? [y/n] y Card drawn: 4 Player's Total: 21 Blackjack! You have won!
Card drawn: 9 Player's Total: 9 Card drawn: 10 Player's Total: 19 Want another card? [y/n] n Card drawn: 3 Dealer's Total: 3 Card drawn: Q Dealer's Total: 13 Card drawn: 10 Dealer's Total: 23 Bust! Dealer has lost!
Card drawn: 6 Player's Total: 6 Card drawn: A Player's Total: 17 Want another card? [y/n] n Card drawn: A Dealer's Total: 11 Card drawn: J Dealer's Total: 21 Blackjack! Dealer has won!
Card drawn: J Player's Total: 10 Card drawn: J Player's Total: 20 Want another card? [y/n] n Card drawn: 3 Dealer's Total: 3 Card drawn: K Dealer's Total: 13 Card drawn: 6 Dealer's Total: 19 Player's total: 20 Dealer's total: 19 You have won!
Card drawn: 10 Player's Total: 10 Card drawn: 10 Player's Total: 20 Want another card? [y/n] n Card drawn: 10 Dealer's Total: 10 Card drawn: K Dealer's Total: 20 Player's total: 20 Dealer's total: 20 Dealer has won!
NO BREAK STATEMENTS PLEASE NO IF TRUE STATEMENTS PLEASE
In: Computer Science
John is watching an old game show rerun on television called Let’s Make a Deal in which the contestant chooses a prize behind one of two curtains. Behind one of the curtains is a gag prize worth $130, and behind the other is a round-the-world trip worth $8,500. The game show has placed a subliminal message on the curtain containing the gag prize, which makes the probability of choosing the gag prize equal to 75 percent. What is the expected value of the selection? (Round answer to 2 decimal places, e.g. 15.25.) Expected value $ 2222.50 LINK TO TEXT What is the standard deviation of that selection? (Round answer to 2 decimal places, e.g. 15.25.) Standard deviation $
In: Finance
Match the term or phrase with the correct Phylum (Division)
1.possess chlorophyll b
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
2. constructed of little "pill-boxes"
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
3.body structure has distinct organs
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
4. possess phycoerythrin
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
5.possess chlorophyll a
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
6.have cell walls
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
7. Siphonocladous body form
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
8.produce up to 50% of the atmospheric oxygen
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
9. possess floridean starch as a storage product
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
10.possess conceptacles at the receptacle tips
A. phaeophyta b.chrysophyta (Bacillariophyta) c.chlorophyta D.All phyla E.Rhodophyta
In: Biology
1. Define the two major types of corporate stock. Discuss the characteristicsof each of the two types. How does an investor realise a returnon a stock investment?
2. “Shareholders of corporate stock may have claims to a company’s assets and income.” Discuss and analyse this quote.
3. Using the Dividend Valuation Model, calculate the following: What is the value of a common stockthat paid a $1.50 dividend at the end of the last year and is expected to pay a cash dividend in the future. Dividends are expected to grow at 7% annually and the investor’s required rate of return is 11%.
In: Finance
Jiminy’s Cricket Farm issued a 20-year, 7 percent semiannual coupon bond 4 years ago. The bond currently sells for 104 percent of its face value. The company’s tax rate is 23 percent. The book value of the debt issue is $55 million. In addition, the company has a second debt issue, a zero coupon bond with 10 years left to maturity; the book value of this issue is $30 million, and the bonds sell for 58 percent of par. a. What is the company’s total book value of debt? (Enter your answer in dollars, not millions of dollars, e.g. 1,234,567.) b. What is the company’s total market value of debt? (Enter your answer in dollars, not millions of dollars, e.g. 1,234,567.) c. What is the aftertax cost of debt? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
In: Finance
The megaspore in most flowering plants grows into a megagametophyte that has seven cells and eight nuclei. Name the seven cells.
After pollen lands on a stigma, it is far away from the ovule with the megagametophyte which holds the egg (the mega-gamete). How are the two sperm cells transported from the stigma to the egg?
After pollination and fertilization, as the ovule develops into a seed, the ovary matures into a ____________. Many of these have three parts, the _____________ is the skin or peel, the ___________is the flesh, and the innermost layer, the _____________, may be tough like the pit of a cherry.
In: Biology
During Thanksgiving you participated in a pumpkin-pie eating contest. You really enjoyed the first two pies, the third one was okay, but as soon as you ate the fourth one you became ill and lost the contest.
• Did your total utility increase or decrease with the first three pies you ate?.
• After the third pie, did your total utility increase or decrease?
• Did you get more or less utility from eating the first pie than from eating the third pie?
• Did you get more or less utility from eating the fourth pie than from eating the second pie?
In: Economics
A student council consists of 15 students.
(a)
In how many ways can a committee of five be selected from the membership of the council?
(b)
Two council members have the same major and are not permitted to serve together on a committee. How many ways can a committee of five be selected from the membership of the council?
(c)
Two council members always insist on serving on committees together. If they can't serve together, they won't serve at all. How many ways can a committee of five be selected from the council membership?
(d)
Suppose the council contains eight men and seven women.
(i)
How many committees of six contain three men and three women?
(ii)
How many committees of six contain at least one woman?
(e)
Suppose the council consists of three freshmen, four sophomores, three juniors, and five seniors. How many committees of eight contain two representatives from each class?
In: Statistics and Probability
Terri Vogel, an amateur motorcycle racer, averages 129.71
seconds per 2.5 mile lap (in a seven-lap race) with a standard
deviation of 2.28 seconds. The distribution of her race times is
normally distributed. We are interested in one of her randomly
selected laps.
Part (a)
In words, define the random variable X.the time (in seconds) per lapthe time (in seconds) per race the distance (in miles) of each racethe distance (in miles) of each lap
Part (b)
Give the distribution of X.Part (c)
Find the percent of her laps that are completed in less than 135
seconds. (Round your answer to two decimal places.)
Part (d)
The fastest 2% of her laps are under how many seconds? (Round
your answer to two decimal places.)
sec
Part (e)
Enter your answers to two decimal places.
The middle 80% of her lap times are from seconds
to seconds.
In: Math