I need help finding the p-value. I used an excel spreadsheet given to us to find

Question

I need help finding the p-value. I used an excel spreadsheet given to us to find the test statistic and yet the p value that calculated states it is incorrect, please show work. thank you!

You wish to test the following claim (Ha) at a significance level of = 0.001. Ho: = 80.2 Ha: > 80.2 9.9. You obtain a sample mean of M-82.8 for a You believe the population is normally distributed and you know the standard deviation is sample of size n = 53. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = 1.912 What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = 0.0281 ,t

Explanation / Answer

p-value = P(Z > 1.912) = 1 - P(Z < 1.912) = 1 - 0.9721 = 0.0279

                                                                                                                                                                                                                                                                                                      

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