A manufacturer claims that the thickness of the spearmint gum it produces is 7.5 one-hundredths of an inch. A quality control specialist regularly checks this claim. From his experience, the specialist knows the distribution is right skewed and that the standard deviation is 0.4 one-hundredths of an inch. On one production run, he took a random sample of n = 100 pieces of gum and measured their thickness. Which hypothesis test would be most appropriate for this task?

Question

Jeremy Woods

Mathematics

4 June, 18:26

A manufacturer claims that the thickness of the spearmint gum it produces is 7.5 one-hundredths of an inch. A quality control specialist regularly checks this claim. From his experience, the specialist knows the distribution is right skewed and that the standard deviation is 0.4 one-hundredths of an inch. On one production run, he took a random sample of n = 100 pieces of gum and measured their thickness. Which hypothesis test would be most appropriate for this task?

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Answers (1)

Know the Answer?

Belen Armstrong · Answer 1

mean of sample from production run = 7.5 one-hundredths of an inch

Step-by-step explanation:

Here we will test the null hypothesis. The null hypothesis will be:

mean of sample of production run = 7.5 one-hundredths of an inch