Question

The average man weighs 180 pounds with a standard deviation of 21 pounds. Describe the heaviest...

The average man weighs 180 pounds with a standard deviation of 21 pounds. Describe the heaviest 23 % of men.

Answer options:

X > 203.44729

X > 164.4842

X < 164.4842

X < 175.33962

X < 195.515784

X > 195.515784

Homework Answers

Answer #1

Answer---->>

Here z value probability calculate from standard normal distribution table.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A particular variety of watermelon weighs on average 21.3 pounds with a standard deviation of 1.07...
A particular variety of watermelon weighs on average 21.3 pounds with a standard deviation of 1.07 pounds. Consider the sample mean weight of 90 watermelons of this variety. Assume the individual watermelon weights are independent. a. What is the expected value of the sample mean weight? Give an exact answer. b. What is the standard deviation of the sample mean weight? Give your answer to four decimal places. c. What is the approximate probability the sample mean weight will be...
A particular variety of watermelon weighs on average 21.3 pounds with a standard deviation of 1.07...
A particular variety of watermelon weighs on average 21.3 pounds with a standard deviation of 1.07 pounds. Consider the sample mean weight of 90 watermelons of this variety. Assume the individual watermelon weights are independent. a. What is the expected value of the sample mean weight? Give an exact answer. b. What is the standard deviation of the sample mean weight? Give your answer to four decimal places. c. What is the approximate probability the sample mean weight will be...
The average weight of adult males is 184.5 pounds, with a standard deviation of 19 pounds...
The average weight of adult males is 184.5 pounds, with a standard deviation of 19 pounds and a normal distribution. Micah weighs 203.4 pounds. What is the standardized score for Micah's weight?
A sample of 7 adult elephants has an average weight of 12,800 pounds. the standard deviation...
A sample of 7 adult elephants has an average weight of 12,800 pounds. the standard deviation for the sample was 21 pounds.find the 99% confidence interval of the population mean for the weight of adult elephants.assume the value is normally distributed. use a graphing calculator and round up answer to the nearest whole number.
Assume that the men's weight is normally distributed with an average of 172 pounds and a...
Assume that the men's weight is normally distributed with an average of 172 pounds and a standard deviation of 29 pounds. to. Define a variable b. Associate the random variable with a distribution and its parameters c. If a man is selected at random, what is the probability that his weight is greater than 175 pounds? (minitab) D. If a sample of 20 men is chosen at random. What is the probability that the average weight is greater than 175...
Newborn baby boys weigh, on average, 7.5 pounds, with a standard deviation of 2 pounds. A...
Newborn baby boys weigh, on average, 7.5 pounds, with a standard deviation of 2 pounds. A group of pediatricians want to implement special treatments for newborn baby boys in the bottom 25% birth weight. Use Excel to find the weight of babies that will indicate they need the special treatment if the pediatricians look at a sample of 100 newborns. Round the σx¯ and x¯ to two decimal places.
The average weight of an airline passenger’s suitcases is 45 pounds with a standard deviation of...
The average weight of an airline passenger’s suitcases is 45 pounds with a standard deviation of 2 pounds. If 16% of the suitcases are overweight, find the maximum weight allowed by the airline. Assume the variable is bell – shaped distributed. Hint: Sketch and label a normal model to help answer the question.
Assume that the average weight of an NFL player is 245.7 pounds with a standard deviation...
Assume that the average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5 pounds, but the probability distribution is unknown. a. if a random sample of 32 NFL players is selected, what is the probabilty that the average weight of the sample sill be less than 234 pounds? b. If a random sample of 32 NFL players is selected, what is the probability that the average weight of the sample is between 248 and 254...
Weights of wrestlers are normally distributed with an average weight 177 pounds and a standard deviation...
Weights of wrestlers are normally distributed with an average weight 177 pounds and a standard deviation of 35 pounds. An researcher gathers a group of 64 people to conduct a study. What is the probability that the average weight of the group will be less than 182 pounds?
Suppose that average male weight in the US is 175 pounds with a standard deviation of...
Suppose that average male weight in the US is 175 pounds with a standard deviation of 25 pounds. Suppose you randomly select 1,000 male Americans and ask their weight, and average the 1,000 numbers to compute a sample mean x̄n . a) What does the law of large numbers tell you about x̄n , the average of the 1,000? Be precise in your answer using about 1 to 3 sentences. b) What is the variance of x̄n ? c) Use...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT