Question

A publisher reports that 45% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually under the reported percentage. A random sample of 130 found that 40% of the readers owned a particular make of car. Is there sufficient evidence at the 0.05 level to support the executive's claim?

Step 1 of 7: State the null and alternative hypotheses

Step 2 of 7: Find the value of the test statistic. Round your answer to two decimal places.

Step 3 of 7: Specify if the test is one-tailed or two-tailed.

Step 4 of 7: Determine the P-value of the test statistic. Round your answer to four decimal places.

Step 5 of 7: Identify the value of the level of significance.

Step 6 of 7: Make the decision to reject or fail to reject the null hypothesis.

Step 7 of 7: State the conclusion of the hypothesis test.

Option A: There is sufficient evidence to support the claim that the percentage of readers who own a particular make of car is under 45%.

Option B: There is not sufficient evidence to support the claim that the percentage of readers who own a particular make of car is under 45%.

Answer 1