A credit card company claims that the mean credit card debt for individuals is g

Question

A credit card company claims that the mean credit card debt for individuals is greater than $ 5 comma 000. You want to test this claim. You find that a random sample of 36 cardholders has a mean credit card balance of $ 5 comma 168 and a standard deviation of $ 575. At alpha equals 0.05?, can you support the? claim? Complete parts? (a) through? (e) below. Assume the population is normally distributed. ?(a) Write the claim mathematically and identify Upper H 0 and Upper H Subscript a. Which of the following correctly states Upper H 0 and Upper H Subscript a??

Explanation / Answer

Claim:-A credit card company claims that the mean credit card debt for individuals is greater than $ 5000.

Null hypothesis and alternative hypothesis

Ho : mu = 5000

Vs Ha : mu > 5000 ( claim )

( note : other parts are not quoted )

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