Author Question: The weight of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified ... (Read 40 times)

jayhills49 · **on:** Jul 24, 2018

The weight of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 12.5 ounces and a standard deviation of 0.2 ounce.

What proportion of the 12-ounce bags contain more than the advertised 12 ounces of chips?
A) .4938 B) .9938 C) .5062 D) .0062

Question 2

A bottling company produces bottles that hold 12 ounces of liquid. Periodically, the company gets complaints that their bottles are not holding enough liquid.

To test this claim, the bottling company randomly samples 64 bottles and finds the average amount of liquid held by the bottles is 11.9155 ounces with a standard deviation of 0.40 ounce. Suppose the p-value of this test is 0.0455. State the proper conclusion.
A) At = 0.05, reject the null hypothesis. B) At = 0.025, reject the null hypothesis.
C) At = 0.05, accept the null hypothesis. D) At = 0.10, fail to reject the null hypothesis.