Question

please show all work!!!The lengths of adult males' hands are normally distributed with mean 195 mm...

please show all work!!!The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7 mm. Suppose that 43 individuals are randomly chosen. Round all answers to 4 where possible.

  1. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)
  2. For the group of 43, find the probability that the average hand length is less than 194.
  3. Find the third quartile for the average adult male hand length for this sample size.
  4. For part b), is the assumption that the distribution is normal necessary? NoYes please show all work!
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 lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation...
The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.1 mm. Suppose that 49 individuals are randomly chosen. Round all answers to 4 where possible. What is the distribution of ¯ x ? ¯ x ~ N( , ) For the group of 49, find the probability that the average hand length is more than 196. Find the first quartile for the average adult male hand length for this sample size. For...
The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation...
The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation is 7 mm. Suppose that 48 individuals are randomly chosen. Round all answers to 4 where possible. For the group of 48, find the probability that the average hand length is less than 192. Find the third quartile for the average adult male hand length for this sample size. For part b), is the assumption that the distribution is normal necessary?
The lengths of adult males' hands are normally distributed with mean 186 mm and standard deviation...
The lengths of adult males' hands are normally distributed with mean 186 mm and standard deviation is 7 mm. Suppose that 9 individuals are randomly chosen. Round all answers to 4 where possible. A. What is the distribution of ¯x? ¯x ~ N(      ,     ) B. For the group of 9, find the probability that the average hand length is more than 184. C. Find the first quartile for the average adult male hand length for this sample size. D....
The lengths of adult males' hands are normally distributed with mean 186 mm and standard deviation...
The lengths of adult males' hands are normally distributed with mean 186 mm and standard deviation is 7.3 mm. Suppose that 10 individuals are randomly chosen. Round all answers to 4 where possible. For the group of 10, find the probability that the average hand length is less than 187. Find the first quartile for the average adult male hand length for this sample size.
Suppose that the average number of Facebook friends users have is normally distributed with a mean...
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 113 and a standard deviation of about 43. Assume forty individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 40, find the probability that the average number of friends is more than 119. Find the first quartile for the average number of...
Suppose that the average number of Facebook friends users have is normally distributed with a mean...
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 114 and a standard deviation of about 43. Assume seven individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯ x ? ¯ x ~ N( , ) For the group of 7, find the probability that the average number of friends is more than 137. Find the first quartile...
According to a recent​ study, the carapace length for adult males of a certain species of...
According to a recent​ study, the carapace length for adult males of a certain species of tarantula are normally distributed with a mean of mu equals 17.91μ=17.91 mm and a standard deviation of sigma equals 1.53σ=1.53 mm. Complete parts​ (a) through​ (d) below.Click here to view page 1 of the standard normal distribution table. LOADING... Click here to view page 2 of the standard normal distribution table. LOADING... a. Find the percentage of the tarantulas that have a carapace length...
Suppose that the average number of Facebook friends users have is normally distributed with a mean...
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 133 and a standard deviation of about 60. Assume forty individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 40, find the probability that the average number of friends is more than 131. Find the first quartile for the average number of...
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 214.4-cm and a standard deviation of 0.6-cm. For shipment, 14 steel rods are bundled together. Round all answers to four decimal places if necessary. What is the distribution of XX? XX ~ N(,) What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For a single randomly selected steel rod, find the probability that the length is between 214.2-cm and 214.3-cm. For a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 209.5-cm and a standard deviation of 1.1-cm. For shipment, 44 steel rods are bundled together. Round all answers to four decimal places if necessary. What is the distribution of X ? X ~ N( , ) What is the distribution of ¯ x ? ¯ x ~ N( , ) For a single randomly selected steel rod, find the probability that the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT