P-value associated with sample results

Reference no: EM1316436

A producer of various kinds of batteries has been producing "D" size batteries with a life expectancy of 87 hours. Due to an improved production process, management believes that there has been an increase in the life expectancy of their "D" size batteries. A sample of 36 batteries showed an average life of 88.5 hours. Assume from past information that it is known that the standard deviation of the population is 9 hours.

a. Ay 99% confidence using the critical value approach, test management's belief.

b. What is the p-value associated with the sample results? What is your conclusion based on the p- value?

Reference no: EM1316436

Questions Cloud

Find the amount of harry''s annual payment : Compute the amount yearly loan repayment - Find the amount of Harry's annual payment.

Calculate the variance of a binomial distribution : It is known that 60 percent of all registered voters in the 42nd congressional District are Republicans. There registered voters are selected at random from the district. Compute the probability that exactly 2 of the 3 selected are Republicans, u..

Hypotheses to determine mean : Formulate the hypotheses that can be used to determine whether the mean of all account balances is significantly different from $1,150

Knowing the mean score for a certain quiz in a statistics : Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.

P-value associated with sample results : What is the p-value associated with the sample results? What is your conclusion based on the p- value?

Questions based on dividend discount model : Multiple choice questions using dividend discount model - what growth rate in dividends must be expected and what is Gold's stock worth to you

Risk analysis involving computation of cash flow : Risk analysis involving computation of cash flow and coefficient of variation and Wrigley Village Yearly After-tax Cash Inflow Crosley Square Yearly After-tax Cash Inflow

Shortcomings of monopoly pricing strategy : Earlier this year the Federal Government USA approved the merger between Sirius and XM satellite radio companies. What, if any, shortcomings arise from a monopoly pricing strategy (efficiency and consumer surplus)?

Test statistics utilizing chi square method : To find out the test statistics utilizing chi square method. A professional bowler has been having trouble 'hitting the pocket' in order to get strikes.

User Account

All Pages