State null and alternative hypothesis and critical value

Reference no: EM13139744

A credit bereau analysis of undergraduates students found that the average number of credit cards in an undergraduates wallet is 4.09. A researcher thought the actual total may be higher and surveyed 132 students at random and the results showed a sample mean of 5.1 cards with a sample standard veviation of 1.2. Is there convinving evidence at the .05 significance level to support the claim that the actual number of cards is an undergrads wallet is greater than 4.09.

a) state the null and alternative hypothesis
b)whcih formula do you use
c)calculate the test statistic
D)state the critical value
e)state your conclusion.

Reference no: EM13139744

Questions Cloud

Probability at least one of systems will detect the attack : If two detection systems are installed in the same area and operate independently, what is the probability that at least one of the systems will detect the attack?

Desire for liberation from earthly existence : Considering that Hinduism lacks a uniting belief system, what makes up the Hindu religion? What are the culture and societal influences that have made Hinduism vital to the region in which it originated? Explain the desire for liberation from eart..

Describe the hydrophobicity index procedure : Describe the hydrophobicity index procedure for predicting alpha helical membrane proteins.

Analysis of unforgettable miss bessie : analysis of unforgettable miss bessie

State null and alternative hypothesis and critical value : Convinving evidence at the .05 significance level to support the claim that the actual number of cards is an undergrads wallet is greater than 4.09. state the null and alternative hypothesis.

Lease agreement and annual year-end rentals : Alvin Company entered into a lease agreement with Theodore, Inc., to lease an asset that cost Alvin $120,000. The lease agreement requires five annual year-end rentals of $40,000 each. Alvin's implicit rate on the lease is 15 percent.

Advise on the hinduism question : What part of the major tenets of Hinduism seem a bit similar to the Abrahamic monotheisms (Judaism, Christianity, Islam) ?

How will increasing the number of yeast cells affect : What is a hypothesis for: How will increasing the number of yeast cells affect the rate of ATP production by the cells (in moles ATP/hr) if the sugar concentration in the experiment is held constant?

Determine the chromium vi concentrations via absorption : the procedure to determine the chromium vi concentrations via absorption spectroscopy

User Account

All Pages