Give the mean and standard deviation of x

Assignment Help Basic Statistics

Reference no: EM13150384

According to a nationwide survey, 60% of parents with young children condone spanking their child as a regular form of punishment. (Tampa Tribune, Oct. 5, 2000.) consider a random sample of three people, each of whom is a parent with young children. Assume that x, the number in the sample who condone spanking, is a binomial random variable.

a. What is the probability that none of the three parents condones spanking as a regular form of punishment for their children?

b. What is the probability that at least one condones spanking as a regular form of punishment?

c. Give the mean and standard deviation of x. Interpret the results.

Reference no: EM13150384

Questions Cloud

How many cell phones were produced by ahmadi inc. : If 7,218 of the Ahmadi cell phones were priced at least $119.00, how many cell phones were produced by Ahmadi, Inc.?

Plant-wide factory overhead rate : Actual overhead costs for the year were $240,000. Lasso's plant-wide allocation base, machine hours, was budgeted at 50,000 hours. Actual machine hours were 40,000. Budgeted units to be produced are 100,000 units. Lasso's plant-wide factory overhe..

Conclude that pill is effective at promoting weight loss : Can the company conclude that the pill is effective at promoting weight loss? Write the hypotheses and conduct the appropriate hypothesis test.

Problem related to inception of the lease : Assume Mid-South Urologists Group leased the lithotripter directly from the manufacturer, Rand Medical, which produced the machine at a cost of $1.7 million. Prepare appropriate entries for Rand Medical from the inception of the lease through the ..

Give the mean and standard deviation of x : What is the probability that none of the three parents condones spanking as a regular form of punishment for their children? Give the mean and standard deviation of x. Interpret the results.

Can you say conclusively whether the firm will use more : In which direction will the scale effect change the firm’s employment of labor? c. Can you say conclusively whether the firm will use more or less labor? More or less capital?

Postemployment benefits : The company has decided to restructure the operations at one of its stores. As part of this restructuring, the company has determined that the store facility is impaired. The store originally cost $3,000,000 and has accumulated depreciation of $1,..

Answer key to unique global imports accounting simulation? : answer key to Unique global imports accounting simulation?

Find mechanisms that would homeostatically compensate : Cindy is following the Adkins diet which has placed her body into ketosis resulting from increased lipolysis. The ketones decrease pH and cause metabolic acidosis. Identify two mechanisms that would homeostatically compensate.

User Account

All Pages