Justify the use of a normal approximation

Assignment Help Basic Statistics

Reference no: EM13139163

An opinion poll asks an SRS of 1500 adults, "Do you happen to jog?" Suppose that the population proportion who jog (a parameter) is p = 0.15. To estimate p, we use the proportion p-hat in the sample who answer "Yes." Justify the use of a normal approximation and find the following probabilities.

a) P(p > 0.16)
b) P(0.14 < p < 0.16)

Reference no: EM13139163

Questions Cloud

Find the p-value for a test of the school-s claim : It is found that among a random sample of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the school's claim.

What is amount of mike deduction for employment-related : He has no other miscellaneous itemized deductions and does not use the standard deduction. What is amount of Mike’s deduction for employment-related expenses?

Explain the conditions necessary for a hurricane : Explain the conditions necessary for a hurricane to form and the locations where they are most common. Describe their typical patterns of movement.

Amount of the deferred tax liability : Lyons company has a tax rate of 40% and income taxes payable of $72,000 at the end of 2010. There were no deferred taxes at the beginning of 2010. What is the amount of the deferred tax liability at the end of 2010?

Justify the use of a normal approximation : To estimate p, we use the proportion p-hat in the sample who answer "Yes." Justify the use of a normal approximation and find the following probabilities.

Utilise similar information sources : Utilise similar information sources that were utilised in Assignment 1.You may find some added benefit in obtaining information of the operations, and possibly any international activities, of major organisations in the two countries that are being c..

Which of the following is true of fungi : Which of the following is TRUE of fungi?

What extent was collectivization a success and/or a failure? : To what extent was collectivization a success and/or a failure?

What proportion of faculty consume coffee in range of cups : A standard deviation of 1.5. The distribution is normal. What proportion of faculty consume an amount between 4 & 6 cups?

User Account

All Pages