A credit card company claims that the mean credit card debt for individuals is greater than $4,900. You want to test this claim. You find that a random sample of 30 cardholders has a mean credit card balance of $5,058 and a standard deviation of $575. At α=0.05​, can you support the​ claim? Complete parts​ (a) through​ (e) below. Assume the population is normally distributed.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A credit card company claims that the mean credit card debt for individuals is greater than

$4,900.

You want to test this claim. You find that a random sample of

30

cardholders has a mean credit card balance of

$5,058

and a standard deviation of

$575.

At

α=0.05​,

can you support the​ claim? Complete parts​ (a) through​ (e) below. Assume the population is normally distributed.

 

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