Suppose we wish to test the hypothesis that an internship program allows its int
ID: 340213 • Letter: S
Question
Suppose we wish to test the hypothesis that an internship program allows its interns to earn $2,750 per semester and let us assume that this hypothesis is, in fact, true. Which of the following best illustrates the logic of hypothesis testing at the 95% confidence level?
Select one:
a. From among 99 samples, 100 percent of them would generate means that fell within ±2.58 z scores.
b. From among 95 samples, 100 percent of them would generate means that fell within ±1.96 z scores.
c. From among 100 samples, 95 percent of them would generate means that fell within ±2.58 z scores.
d. From among 100 samples, 95 percent of them would generate means that fell within ±1.96 z scores.
e. From among 100 samples, 99 percent of them would generate means that fell within ±1.96 z scores.
Explanation / Answer
Hypothesis are used to give conclusion about a population basis on sample data.So 100 % population should comply to the result of hypothesis, thus option c, d and e are incorrect
The critical value for 95% confidence interval is 1.96 so option a and option c are incorrect
Combining abouve two points
Option b is correct