According to a magazine, Chick-fil-A has the best accuracy of thrive thru orders with 96.4% of all its drive-through orders filled correctly. The manager of a competing fast food restaurant wants to advertise that her drive-through is more accurate than Chick-fil-A. In a random sample of 350 drive-through order, the manager found that 340 orders were found to be accurate. Test the managers claim at 0.05 level of significance. a) what type of test should we use? b) write a hypothesis and specify the type of test (tailing). c) calculate (formula/values) The test statistic and determine the critical value. d) State the decision of the test e) Express your conclusion concisely using statistically appropriate language applied to the order accuracy. f)
According to a magazine, Chick-fil-A has the best accuracy of thrive thru orders with 96.4% of all its drive-through orders filled correctly. The manager of a competing fast food restaurant wants to advertise that her drive-through is more accurate than Chick-fil-A. In a random sample of 350 drive-through order, the manager found that 340 orders were found to be accurate. Test the managers claim at 0.05 level of significance.
a) what type of test should we use?
b) write a hypothesis and specify the type of test (tailing).
c) calculate (formula/values) The test statistic and determine the critical value.
d) State the decision of the test
e) Express your conclusion concisely using statistically appropriate language applied to the order accuracy.
f)
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