ZuoTi.Pro
Question

3. Assume that the men's weight is normally distributed with an average of 172 pounds and...

3. Assume that the men's weight is normally distributed with an average of 172 pounds and a standard deviation of 29 pounds.
  1. Define a variable.
  2. Associate the random variable with a distribution and its parameters
  3. If a man is selected at random, what is the probability that his weight is greater than 175 pounds?
  4. If a sample of 20 men is chosen at random. What is the probability that the average weight is greater than 175 lb?
math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
3. Assume that the men's weight is normally distributed with an average of 172 pounds and...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Assuming that men's weights are normally distributed with a mean of 172 lb. and a population...

    Assuming that men's weights are normally distributed with a mean of 172 lb. and a population standard deviation of 29 lb, find the probability. a.) That a randomly selected man has a weight greater than 180 lb. (4 points) b.) That 36 randomly selected men have a mean weight of less than 167 lb. (4 points)

  • assume that a men's weights are normally distributed with a mean given as 172 lbs and...

    assume that a men's weights are normally distributed with a mean given as 172 lbs and a standard deviation given as 29 lbs based on data from the national health survey If one man is selected at random, find the probability that his weight is more than 167lb.

  • Assuming that men’s weights are normally distributed with a mean of 172 lb. and a population...

    Assuming that men’s weights are normally distributed with a mean of 172 lb. and a population standard deviation of 29 lb. Find the probability that 36 randomly selected men have a mean weight of less than 167 lb.

  • (4) The time required to complete a final exam in a particular college course is normally...

    (4) The time required to complete a final exam in a particular college course is normally distributed with a mean of 75 minutes and a standard deviation of 15 minutes. Answer the following questions: (a) (for a randomly selected student) What is the probability of completing the exam in 1 hour or less? (4) (b) What is the probability a randomly selected student will complete the exam in more than 60 minutes but less than 75 minutes? (4b) (c) Assume...

  • Assume men's heights are normally distributed with mean 69.5 in. and standard deviation 2.4 in. If...

    Assume men's heights are normally distributed with mean 69.5 in. and standard deviation 2.4 in. If you randomly selected a man whats the probability that his height would be A. Over 6 feet B. Between 5'9 and 6'4 C. Less than 2 standard deviations above the mean D.What is height that separates the tallest 10% of men from the rest of men? What do we call this value? E. If 25 men were randomly selected what is the probability that...

  • The weight gain for college freshman is normally distributed with an average of 7 pounds and...

    The weight gain for college freshman is normally distributed with an average of 7 pounds and a standard deviation of 1.2 pounds. If a college freshman is randomly selected, what is the probability that the student's weight gain is more than 10 pounds? ROUND to the nearest THOUSANDTHS place.

  • the capacity of an elevator is 15 people of 2625 pounds. the capacity will be exceeded...

    the capacity of an elevator is 15 people of 2625 pounds. the capacity will be exceeded if 15 people have weights with a mean greater than 2625/15=175 pounds. suppose the people have weights that are normally distributed with a mean of 180 lb and a standard deviation of 31 lb find the probability that a person is randomly selected, his weight will be greater than 175 pounds. find the probability that 15 randomly selected people will have a mean that...

  • Ski Gondola find the probability

    2. A ski gondola in Vail, CO, carries skiers to the top of a mountain. It bears a plaque stating the maximum capacity is 12 people of 2004 pounds. That capacitywill be exceeded if 12 people have weights with a mean greater than 2004/12 = 167 pounds. Because men tend to weigh more than women, a “worse case” scenarioinvolves 12 passengers who are all men. Men have weights that are normally distributed with a mean of 172 pounds with a...

  • The NiHoMah Consulting Group sent their top executive, Yuan, to investigate the safety of a proposed...

    The NiHoMah Consulting Group sent their top executive, Yuan, to investigate the safety of a proposed water taxi from Long Beach to Catalina Island. It is known that men are heavier than women on average, so a worst case situation would be to have an all male group of passengers. If he found that, nationally, the average weight of men was 175 pounds with a standard deviation of 30 pounds, help him a. Find the probability that the weight of...

  • (3 pts) The lengths of the sardines received by a certain cannery are normally distributed with...

    (3 pts) The lengths of the sardines received by a certain cannery are normally distributed with mean 4.62 inches and a standard deviation 0.23 inch. What percentage of all these sardines is between 4.35 and 4.85 inches long? (3 pts) Suppose that the weight (X) in pounds, of a 40-year-old man is a normal random variable with standard deviation σ = 20 pounds. If 5% of this population is heavier than 214 pounds what is the mean μ of this...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT