Question on hypothesis testing problems and t test

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Reference no: EM13107344

A sample of 64 observations is selected from a normal population. The sample mean is 215, and the sample standard deviation is 15. Conduct the following test of hypothesis using the .03 significance level.

H0: µ 8805; 220
H1: µ < 220

(a) Is this a one- or two-tailed test?

(b) What is the decision rule?

(d) What is the p-value? Interpret it.

(e) What is your decision regarding H0?

Reference no: EM13107344

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