1. 2. 3. A drawer contains black, brown, and white socks. How many socks ensure two...

1. 2. 3.

A drawer contains black, brown, and white socks. How many socks ensure two of the same color?

With 2,0,3 and 6 how many three digits even numbers can be generated without replacements?

We selected 20 persons by the random. What is the probability that only 3 of them have the same birthday at August? Find the probability that only 3 of them have the common month for their birthday?

Expert Solution

orchestra answered 2 years ago

1) a) A drawer contains 9 white socks and 7 black socks. Two different socks are...

1) a) A drawer contains 9 white socks and 7 black socks. Two different socks are selected from the drawer at random. What is the probability that both of the selected socks are white? b) A box contains 10 white marbles and 7 black marbles. Suppose we randomly draw a marble from the box, replace it, and then randomly draw another marble from the box. (This means that we might observe the same marble twice). What is the probability that...

You have brown, pink, black, and white socks in a drawer (8 of each color). In...

You have brown, pink, black, and white socks in a drawer (8 of each color). In each of the following cases, what is the minimum number that you must take out to ensure that: a) You have a matching pair? b) You have two of different colors? c) You have at least 3 brown or 4 pink or 5 black or 7 white socks?

A drawer of socks contains seven black socks, eight blue socks, and nine green socks. Two...

A drawer of socks contains seven black socks, eight blue socks, and nine green socks. Two socks are chosen in the dark. a. What is the probability that they match? b. What is the probability that a black pair is chosen? pls give the exact value of probability

One drawer in a dresser contains 9 blue socks and 5 white socks. A second drawer...

One drawer in a dresser contains 9 blue socks and 5 white socks. A second drawer contains 5 blue socks and 1 white socks. One sock is chosen from each drawer. What is the probability that they match? Express the answer in decimals.

Mixed in a drawer are 2 blue socks, 2 white socks, and 2 gray socks. You...

Mixed in a drawer are 2 blue socks, 2 white socks, and 2 gray socks. You pull out two socks, one at a time, without looking. Find the probability of getting 2 socks of the same color.

I have four socks in a drawer; each is either black or white. Suppose that my...

I have four socks in a drawer; each is either black or white. Suppose that my null hypothesis is H0 : There are exactly two black socks. We decide on the following test: we take out two socks at random (all at once and without replacement). We reject H0 if the two socks are the same color. [Note: this test doesn’t make a whole lot of sense; this is just to practice the ideas.] a) What is the significance level...

Suppose that you have gloves of 4 colours in the drawer: black, brown, grey and white,...

Suppose that you have gloves of 4 colours in the drawer: black, brown, grey and white, 6 pairs of each colour. Every glove is either left or right and does not fit on the other hand. If you are taking gloves out in the dark, without looking, what is the minimum number you need to take out to guarantee that you have a pair (that is, a left and a right of the same colour)? What is the minimum number...

A hat contains a number of cubes: 3 red, 2 white, 1 blue, and 4 black....

A hat contains a number of cubes: 3 red, 2 white, 1 blue, and 4 black. If one cube is chosen at random, what is the probability that it is: A red cube? (3 points) Not a red cube? (3 points) A cube that is white OR black? (4 points) A cube that is neither white nor black? (4 points) What do the answers to part a and part b add up to and why? (5 points) If three cubes...

Socks in a drawer: In your sock drawer you have 4 blue, 5 gray, and 3...

Socks in a drawer: In your sock drawer you have 4 blue, 5 gray, and 3 black socks. Half asleep one morning you grab 2 socks at random and put them on. Find the probability you end up wearing (Round each answer to four decimal places if necessary.) 2 blue socks. no gray socks. at least 1 black sock. a green sock. matching socks.

Marks: 1 A bag of marbles contains 3 white and 4 black marbles. A marble will...

Marks: 1 A bag of marbles contains 3 white and 4 black marbles. A marble will be drawn from the bag randomly three times and put back into the bag. Relative to the outcomes of the first two draws, the probability that the third marble drawn is white is: Choose one answer. a. Independent b. Conditional c. Unconditional d. Dependent Question54 Marks: 1 A parking lot has 100 red and blue cars in it. 40% of the cars are red....

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