A marketing manager for a cell phone company claims that more than 52% of children aged 8-12 have cell phones. In a survey of 1805 children aged 8-12 by the National Consumers League, 971 of them had cell phones.
[4+4+4+4+4]=[20 points]
a. State the appropriate null and alternate hypotheses.
b. Compute the test statistic.
c. What is the p-value for the test?
d. Using alpha =0.05, can you conclude that the manager's claim is true?
e. Using alpha =0.1, can you conclude that the manager's claim is true?
3. A marketing manager for a cell phone company claims that more than 52% of children aged 8-12 have cell phones. In a survey of 1805 children aged 8-12 by the National Consumers League, 971 of them had cellphones [4+4+4+4+4=20 points] a.State the appropriate null and alternate hypotheses
b.Compute the test statistic.
c.What is the p-value for the test?
d.Using a = 0.05, can you conclude that the manager's claim is true?
e.Using a=0.1,can you conclude that the manager's claim is true?