Question 11 of 25 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)
A refrigeration unit at a restaurant is supposed to be kept at 40°F. An inspector would like to test the hypotheses = 40 versus 40 where μ = the true mean temperature for all times of the day. A 98% confidence interval based upon a random sample of 40 temperatures is 40.5 degrees to 42.1 degrees. Using the interval, what decision should be made?
Answer
A
The null hypothesis should be rejected at the = 0.01 level.
B
The null hypothesis should be rejected at the = 0.02 level.
C
The null hypothesis should not be rejected at the = 0.05 level.
D
The null hypothesis should not be rejected at the = 0.10 level.