Question

The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally...

The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.8 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where appropriate.

a. What is the distribution of X? X ~ N( , )

b. What is the median giraffe height? ft.

c. What is the Z-score for a giraffe that is 21 foot tall? (Round to 2 decimal places.)

d. What is the probability that a randomly selected giraffe will be shorter than 20 feet tall?

e. What is the probability that a randomly selected giraffe will be between 18.6 and 19.3 feet tall?

f. The 85th percentile for the height of giraffes is ft. (Round to 1 decimal place.)

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 mean height of an adult giraffe is 17 feet. Suppose that the distribution is normally...
The mean height of an adult giraffe is 17 feet. Suppose that the distribution is normally distributed with standard deviation 0.8 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( 17 , 0.8 ) b. What is the median giraffe height? 17 ft. c. What is the Z-score for a giraffe that is 18 foot tall? 1.25 d....
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.9 feet. Let X be the height of a randomly selected adult giraffe. Fill the blank spaces below. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( ____,____ ) b. What is the median giraffe height? ______ ft. c. What is the Z-score for a giraffe that is 20 foot...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.8 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(,) b. What is the median giraffe height? ft. c. What is the Z-score for a giraffe that is 19 foot tall? d. What is the probability that a...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(Correct,) b. What is the median giraffe height?  ft. c. What is the Z-score for a giraffe that is 21 foot tall? d. What is the probability that a randomly...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally...
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.9 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(____,____) b. What is the median giraffe height?_____ ft. c. What is the Z-score for a giraffe that is 19.5 foot tall?______ d. What is the probability that a...
Let X represent the height a certain species of tree. Assume that distribution with a mean...
Let X represent the height a certain species of tree. Assume that distribution with a mean of 138.7 ft and a standard deviation of 9.9 ft. has a normal probability A tree of this type grows in my backyard, and it 107 feet callFind the probability that the height of a randomly selected tree is as tall as mine or shorter
Heights of adult emperor penguins are known to be normally distributed with an average height of...
Heights of adult emperor penguins are known to be normally distributed with an average height of 4 feet and a standard deciation of 0.8 feet. Let X be the height of a randomly selected adult emperor penguin. 1. Find P(X > 3.8). 2. Find the 95th percentile of X.
Let X represent the full height of a certain species of tree. Assume that X has...
Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with a mean of 228.3 ft and a standard deviation of 7.9 ft. A tree of this type grows in my backyard, and it stands 207 feet tall. Find the probability that the height of a randomly selected tree is as tall as mine or shorter. P ( X < 207 ) = My neighbor also has a tree of...
Let X represent the full height of a certain species of tree. Assume that X has...
Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with a mean of 214.3 ft and a standard deviation of 7.2 ft. A tree of this type grows in my backyard, and it stands 224.4 feet tall. Find the probability that the height of a randomly selected tree is as tall as mine or shorter. P ( X < 224.4 ) = My neighbor also has a tree of...
The heights of pecan trees are normally distributed with a mean of 10 feet and a...
The heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet. 13. Show all work. Just the answer, without supporting work, will receive no credit. (a) What is the probability that a randomly selected pecan tree is between 9 and 12 feet tall? (Round the answer to 4 decimal places) (b) Find the 75th percentile of the pecan tree height distribution. (Round the answer to 2 decimal places) (c) For...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT