Normal probability-men average weight

Assignment Help Basic Statistics

Reference no: EM13100128

Data from a National Health Survey show that men's average weight is normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.

a. If a man is chosen at random, what is the probability that his weight is greater than 180 pounds?

b. If 100 men are randomly selected, what is the probability that their mean weight is greater than 180 pounds?

c. What is the probability that mean weight of the 100 men is less than 160 pounds?

Reference no: EM13100128

Questions Cloud

Examine the modern-day relevancy of models : Examine the modern-day relevancy of models, like in media advertisements or education: for Donald Hebb and Albert Bandura.

Which method is commonly used for improving cattle : Which method is commonly used for improving cattle breeds and why?

Calculate the weekly profit : Cheapest Car Rental rents cars at the chicago airport. The car rental market consists of two segements: the short term segement, which rents for an average of .5 weeks, and the medium term segment, which rents for an average of 2 weeks.

Binomial probability-seat belts : Suppose 72% of the drivers regularly use seat belts. You take a random sample of 10 of these drivers. What is the probability that the number regularly using seat belts is at least 7?

Normal probability-men average weight : Data from a National Health Survey show that men's average weight is normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.

Strength of prediction of the regression model : Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.

Social security influence criminal justice system in future : How would Social Security influence criminal justice system in future?" Provide Scholarly Journal articles and where to locate them.

Discuss toyota current marketing strategy : What improvement initiatives are currently being implemented for Toyota since the recalls? What is Toyota's current marketing strategy?

Age distribution in united states : The following table gives the approximate age distribution in the United States from the 2000 census.

User Account

All Pages