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To mowerman, my instructor is almost impossible to get in touch with. I have tried several several times

It does fall in the rejection region therefore I would reject the null, correct?

The Orange County Bureau of Weights and Measures reports that the Windsor Bottling Company pours 12 ounces of root beer in its cans. An employee at that company disputes this claim. She takes a...

I got the sample mean and SD but beyond that, I am lost. I appreciate your help.

So , is the p value the same as the rejection region?

I am so confused. This is all the information the instructor gave me. This is an ONLINE stats class. It is awful and I am struggling. I do not even know how to calculate this test statistic.

When consumers apply for credit, their credit is rated using FICO scores. The average credit rating is 700. Credit ratings are given below for a sample of applicants for car loans. Use this sample...

How do I find the p-value?

I see what I did. I set my null and alternative up backwards. THis is OBVIOUSLY my first class! Thanks

In recent year, some professional baseball players complained that umpires were calling more strikes than the average of 22 with a standard deviation of 4. A manager in Atlanta decided to determine...