Question
In: Statistics and Probability
1) You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady Gaga....
1) You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady Gaga. How many different playlists can you make that consist of 4 Adele songs, 3 Perry songs, and 2 Gaga songs, if you do allow repeated songs?
2) Kevin and Walter can't stop discussing their Probability course at every opportunity, which has been very disruptive of the regular discussions at the CCIS Teaching Seminar. Martin, who organizes the seminar, must now calculate the number of ways in which he can arrange the 10 participants in a line so that Kevin and Walter aren't sitting next to each other. What is that number?
3) In a race with 6 runners, how many possible finishing orders are there?
Solutions
orchestra answered 2 years agoRelated Solutions
Question 1 (18 marks) Lady Gaga Inc. is a company that manufactures and sells flashy women’s...
Question 1
Lady Gaga Inc. is a company that manufactures and sells flashy
women’s apparel. Recently, the company’s budget committee completed
preliminary work on its master budget. Based on management's sales
forecast, required production for the next three months is budged
to be as follows:
May
June
July
August
2100
2500
2975
3500
Every unit sold is produced using 50 centimeters (0.5 meters) of
fabric, which is purchased in one meter-length rolls at an average
price of $50 per meter....
You have been given a ticket to see Katy Perry in concert tonight. You cannot resell...
You have been given a ticket to see Katy Perry in concert
tonight. You cannot resell the ticket. Adele is performing on the
same night & her concert is the only other activity you are
considering. An Adele ticket costs $85 & on any given day you
would be willing to pay as much as $150 to see her play. There is
no other cost of seeing either performer.
What is the opportunity cost of attending the Katy Perry
concert?...
A playlist contains 15 songs, 5 songs from Artist 1, 5 songs from Artist 2, and...
A playlist contains 15 songs, 5 songs from Artist 1, 5 songs
from Artist 2, and 5 songs from Artist 3. Shuffle the playlist
(randomly) and listen to the first 6 songs on the playlist. Let Y1
be the number of songs from Artist 1 in the first 6 songs played
and let Y2 be the number of songs from Artist 2 in the first 6
songs played.
(a) Find the joint probability distribution function for Y1 and
Y2.
(b)...
Year Promisedcash flows Expectedcash flows 1 6 5 2 6 5 3 6 5 4 6...
Year
Promisedcash flows
Expectedcash flows
1
6
5
2
6
5
3
6
5
4
6
5
5
6
5
6
6
5
7
6
5
8
6
5
9
6
5
10
106
95
What is the present value today of promised
cash flows at 6%?
If the price of the bond is 80, what is the yield to maturity
of the bond using the promised cash flows?
What is the present value today of the
expected cash flows...
5. Confidence Intervals Suppose you have the following X: (6, 5, 4, 1, 1). What is...
5. Confidence Intervals Suppose you have the following X: (6, 5,
4, 1, 1). What is the mean of X? What is the Standard deviation of
X? What is the Standard Error of X? Calculate the 95% confidence
interval for X. Calculate the 99% confidence interval for X.
[4 5 5 2 4 4 6 3 3 7 5 3 6 3 4 4...
[4 5 5 2 4 4 6 3 3 7 5 3 6 3 4 4 6 5 4 5 3 7 5 5 4 2 6 5 6
6]
This is my dataset
Find mean, median, mode, variance, standard deviation,
coefficient of variation, range, 70th percentile,
3rdquartile of the data and skewness and define what
each of these statistics measure. For example, mean is a measure of
the central tendency, what about the rest?
Use Chebyshev’s rule to find...
[4 5 5 2 4 4 6 3 3 7 5 3 6 3 4 4...
[4 5 5 2 4 4 6 3 3 7 5 3 6 3 4 4 6 5 4 5 3 7 5 5 4 2 6 5 6
6]
This is my dataset
Split the dataset in two equal parts. You have 30 datavalues.
If you split the data in two equal parts each part will contain 15
data values. Call the first part Y and second part
X.Draw scatter plot of the 2 datasets, X being on the horizontal...
tens Units 1 5 2 3 4 8 5 2 5 6 9 6 1 3...
tens
Units
1
5
2
3
4
8
5
2 5 6 9
6
1 3 5 4 7 9
7
0 0 4 5 6 9 9
8
1 3 5 6 8 9
9
0 1 2 3 5 9
The table represent a random sample of 31 test scores taken from
a large lecture class. Find the following [round to 2 decimal
points X. XX]
a) [2 pts] Find the 5 number summary [L, Q1, Q2, Q3,...
X 1 3 5 3 4 4 Y 2 5 4 3 4 6 A: Plot...
X
1
3
5
3
4
4
Y
2
5
4
3
4
6
A: Plot the date
B: find the line of best fit
C: determine ŷ AT x=3
D: Find r and r^2
E: explain r and r^2
ID X Y 1 2 3 2 3 6 3 4 6 4 5 7 5...
ID
X
Y
1
2
3
2
3
6
3
4
6
4
5
7
5
8
7
6
5
7
7
6
7
8
8
8
9
7
8
10
12
11
Test the significance of the correlation coefficient.
Then use math test scores (X) to predict physics test scores
(Y). Do the following:
Create a scatterplot of X and Y.
Write the regression equation and interpret the regression
coefficients (i.e., intercept and slope).
Predict the physics score for each....
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