Question

In: Statistics and Probability

A publisher reports that 65% of their readers own a laptop. A marketing executive wants to...

A publisher reports that 65% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 160 found that 60% of the readers owned a laptop. Is there sufficient evidence at the 0.02 level to support the executive's claim?

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

A publisher reports that 65% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 65% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 160 found that 60% of the readers owned a laptop. Is there sufficient evidence at the 0.02 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...
A publisher reports that 29% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 29% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 380 found that 25% of the readers owned a laptop. Find the value of the test statistic. Round your answer to two decimal places.
A publisher reports that 29% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 29% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 380 found that 25% of the readers owned a laptop. Find the value of the test statistic. Round your answer to two decimal places.
A publisher reports that 52% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 52% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 350 found that 46% of the readers owned a laptop. Determine the P-value of the test statistic. Round your answer to four decimal places.
A publisher reports that 74 of their readers own a laptop. A marketing executive wants to...
A publisher reports that 74 of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 300 found that 70% of the readers owned a laptop. Is there sufficient evidence at the 0.05 level to support the executive's claim? A. there is sufficient evidence to support the claim that the percentage of readers who own a laptop is different from 74%. B.there is...
A publisher reports that 30% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 30% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 130 found that 20% of the readers owned a laptop. Is there sufficient evidence at the 0.01 level to support the executive's claim Step 1 State the null and alternative hypotheses. Step 2 Find the value of the test statistic. Round your answer to two decimal places....
A publisher reports that 78% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 78% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 120 found that 71% of the readers owned a laptop. Find the value of the test statistic. Round your answer to two decimal places.
A publisher reports that 25% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 25% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually above the reported percentage. A random sample of 100 found that 30% of the readers owned a laptop. Is there sufficient evidence at the 0.10 level to support the executive's claim? Determine the ?-value of the test statistic. Round your answer to four decimal places.
A publisher reports that 46% of their readers own a Jaguar. A marketing executive wants to...
A publisher reports that 46% of their readers own a Jaguar. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 220 readers found that 50% of the readers owned a Jaguar. Is there sufficient evidence at the 0.05 level of significance to support the executive’s claim? Determine the critical value from the chart. Explain what chart you used and how you found the value. Determine the test...
A publisher reports that 23% of their readers own a personal computer. A marketing executive wants...
A publisher reports that 23% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually above the reported percentage. A random sample of 300 found that 29% of the readers owned a personal computer. Is there sufficient evidence at the 0.10 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...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT