The J.R. Simplot Company produces frozen French fries that are then sold to customers such as McDonald's. The prime line of fries has an average length of 6.00 inches with a standard deviation of 0.50 inch.
To make sure that Simplot continues to meet the quality standard for prime fries, they plan to select a random sample of n = 100 fries each day. The quality analysts will compute the mean length for the sample. They want to establish limits on either side of the 6.00 inch mean so that the chance of the sample mean falling within the limits is 0.99. What should these limits be?A) Approximately 0.13 inches
B) Within the approximate range of 5.87 inches to 6.13 inches
C) Within the range of about 4.71 inches to 7.29 inches
D) Approximately 1.29 inches
Question 2
A chain of fast food restaurants wants to compare the average service times at three different restaurants. It wants to conduct a hypothesis test to determine if all three means are the same or not, at the 0.05 level of significance.
If n = 7 observations are taken at each of the three restaurants, the critical value is F = 3.555. Indicate whether the statement is true or false
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