Mathematics, 03.12.2020 05:50 bajohnson8170
Conduct the appropriate hypothesis test and compute the test statistic.
A company that produces fishing line undergoes random testing to see if their fishing line holds up to the advertised specifications. Currently they are producing 30-pound test line and 20 randomly selected pieces are selected to test the strength. The 20 pieces broke with an average force of 29.1 pounds and a sample standard deviation of 2 pounds. Assuming that the strength of the fishing line is normally distributed, perform the appropriate hypothesis test at a 0.05 significance level in order to determine whether there is sufficient sample evidence to conclude the fishing line breaks with an average force of less than 30 pounds.
Question 29 options:
No, because the test statistic is -2.01
Yes, because the test statistic is -2.52
Yes, because the test statistic is -2.01
No, because the test statistic is -2.52
Cannot be determined
I'm starting to hit a wall here. Can I have some guidance through this question?
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Conduct the appropriate hypothesis test and compute the test statistic.
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