Mathematics, 18.12.2021 14:00 hannamcbrayer1
A manufacturer of a tablet device believes that it can sell a particular app to more than 20% of the buyers of its device. Ten prospective purchasers of the computer were randomly selected and questioned about their interest in the app. Of the ten, four indicated they planned to buy the app. Does this sample provide sufficient evidence to indicate more than 20% of the buyers of the device will also buy the app? What is the probability that the statistical test procedure would lead to an incorrect decision if, in fact, the null hypothesis is true?
A. .248
B. .176
C. .306
D. .121
E. .207
Answers: 1
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