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StatisticsQ&A LibraryA manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 404 gram setting. It is believed that the machine is underfilling the bags. A 40 bag sample had a mean of 402 grams. Assume the population standard deviation is known to be 28. A level of significance of 0.02 will be used. Find the P-value of the test statistic. You may write the P-value as a range using interval notation, or as a decimal value rounded to four decimal places.Question

Asked Nov 25, 2019

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A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 404 gram setting. It is believed that the machine is underfilling the bags. A 40 bag sample had a mean of 402 grams. Assume the population standard deviation is known to be 28. A level of significance of 0.02 will be used. Find the P-value of the test statistic. You may write the P-value as a range using interval notation, or as a decimal value rounded to four decimal places.

Step 1

The test hypotheses are given below:

Step 2

The test statistic is obtained as follows:

Step 3

Thus, the test statistic is **–0.45**.

The p-value from the S...

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