What is the probability that the mean of the sample

Assignment Help Econometrics

Reference no: EM13239765

According to the Nielson Company, the population mean number of hours of TV viewing per household, per week, in the U.S. is 50.4 with a standard devaition of 11.8 hours. A random sample of 42 U.S. households is taken for a study.

What is the probability that the mean of the sample of 42 is more than 52 hours?

What is the probability that a randomly selected household in the population watches more than 52 hours of TV in a week?

Reference no: EM13239765

Questions Cloud

What happens to the level of output in the short run : What happens to the level of output and the price level in the short run and in the long run c. According to Okun's law, what happens to unemployment in the short run and in the long run d. What happens to the real interest rate in the short run and ..

Determine the length of the rope : A rope, under a tension of 294 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern, find the length of the rope and the speed of the waves on the rope

Compare the equilibrium levels of consumption c : Compare the equilibrium levels of consumption C, government spending G, and planned investment I in Parts g and h. Based on this comparison, why might some economists prefer expansionary fiscal policy while others prefer expansionary monetary polic..

Find the acting net force on the box : Albert pushes a 6-kg box across a level floor. He pushes with a force of 43 newtons, and observes that the box accelerates in the direction of his push, What must be the net force acting on the box

What is the probability that the mean of the sample : According to the Nielson Company, the population mean number of hours of TV viewing per household, per week, in the U.S. is 50.4 with a standard devaition of 11.8 hours. A random sample of 42 U.S. households is taken for a study.

Estimate the population mean number of rental days : A large equipment rental company wants to estimate the mean number of days a piece of equipment is rented out. A random sample of 14 recent rentals shows a mean of 2.14 days and a standard deviation of 1.29 days.

Determine her weight on earth : A woman has a mass of 59 kg, What is her weight on earth and What are her mass and her weight on the moon

Determine the population proportion of pizza restaurants : In order to determine the population proportion of Pizza restaurants that offer a salad bar, a random sample of 1250 of these restaurants was selected from across the U.S.

Estimate the average age of all engineers employed : A random sample of 50 engineers of a large technology company reveals that the sample mean age is 34.3 years. Assume that the population standard deviation is 8 years. Construct and explain a 98% confidence interval estimate of the average age

User Account

All Pages