Question

3. Jeremy has a drawer with 6 blue and 4 brown socks. He selects 4 of...

3. Jeremy has a drawer with 6 blue and 4 brown socks. He selects 4 of the socks without replacement.

(a) Determine the probability mass function of X, the number of blue socks chosen.

(b) Determine the probability mass function of Z, the number of matching pairs he selects. [Hint: The range of Z is {1, 2} since he must get at least one matched pair and can’t get more than two.]

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The drawer contains 10 white socks, 20 brown socks, 15 blue socks, and 10 blacksocks. How...
The drawer contains 10 white socks, 20 brown socks, 15 blue socks, and 10 blacksocks. How many socks should be taken from the drawer in complete darkness to besure that there is a matched pair.
In a sock drawer, you have a pair of blue socks, red socks, yellow socks, orange...
In a sock drawer, you have a pair of blue socks, red socks, yellow socks, orange socks, purple socks and green socks. You randomly pull out a sock one at a time until you select a pair of matching socks. Let pr be the probability that you get your first matching pair on the r’th sock pulled from the drawer. Find pr for r = 2, 3, . . ..
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 (a) 2 blue socks (b) no gray socks (c) at least 1 black sock (d) a green sock (e) matching socks.
Your sock drawer contains 10 pairs of white socks and 4 pairs of black socks. You...
Your sock drawer contains 10 pairs of white socks and 4 pairs of black socks. You reach in and pull out two pairs of socks in a row, without replacement. Show Work. What is the probability that the second pair is white, given that the first pair is black? What is the probability that the second pair is white, given that the first pair is white? What is the probability that the second pair is black, given that the first...
Suppose your top drawer contains different colored socks: 8 are white, 14 are black, 4 are...
Suppose your top drawer contains different colored socks: 8 are white, 14 are black, 4 are pink, and 16 are blue. All socks in the drawer are loose (unpaired). In the morning, you randomly select two socks, one at a time. Calculate the following probabilities, writing your answer either as a decimal or a fraction. (a) What is the probability that you get a blue pair of socks? (b) What is the probability that you do not get a blue...
Suppose your top drawer contains 36 different colored socks: 12 are white, 10 are black, 6...
Suppose your top drawer contains 36 different colored socks: 12 are white, 10 are black, 6 are pink, and 8 are blue. All socks in the drawer are loose (not paired). In the morning, you randomly select two socks, one at a time. Use a probability tree to calculate the following probabilities, approximating your final result to 4 decimal places. Note: creat a probability tree and the computations necessary to determine the following probabilities. a) What is the probability that...
A researcher believes that men have been getting taller in the last 75 years. He knows...
A researcher believes that men have been getting taller in the last 75 years. He knows that 75 years ago the mean height of men was 62 inches with a standard deviation of 18 inches. The researcher randomly selects 80 men and measures their heights. He find that their mean height is 69 inches with a standard deviation of 16. What would the appropriate test be to test if men are getting higher and what is the obtained value? single-sample...
Valerie has 9 different pairs of shoes in her closet. She randomly chooses a shoe (without...
Valerie has 9 different pairs of shoes in her closet. She randomly chooses a shoe (without replacement) until she has a pair of matching shoes. Let X = number of shoes selected until a pair is found. Find the probability mass function, the expected value, and the standard deviation of X. HINT: IT IS NOT BINOMIAL NOR GEOMETRIC, PROBABILITY IS NOT CONSTANT. MUST BE SOLVED WITHOUT USING PROBABILITY DISTRIBUTIONS
1.A jar contains 3 pennies, 8 nickels and 6 dimes. A child selects 2 coins at...
1.A jar contains 3 pennies, 8 nickels and 6 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Find the probability X = 10.      Find the probability X = 11.      Find the expected value of X. 2.Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(z>d)=0.9434P(z>d)=0.9434, find d. 3.A company produces steel rods. The lengths of...
You will write a program that loops until the user selects 0 to exit. In the...
You will write a program that loops until the user selects 0 to exit. In the loop the user interactively selects a menu choice to compress or decompress a file. There are three menu options: Option 0: allows the user to exit the program. Option 1: allows the user to compress the specified input file and store the result in an output file. Option 2: allows the user to decompress the specified input file and store the result in an...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT