1. A marketing manager for a cell phone company claims that more than 35% of children aged 10 – 11 have cell phones. In a survey of 5000 randomly selected children ages 10 – 11, 1805 of them had cell phones. Based on the sample data, can you conclude that the manager's claim is true? Use a 1% level of significance. A. Compute the test statistic. B. Draw a picture of the distribution of the test statistic and shade the area that represents the p- value.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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1. A marketing manager for a cell phone company claims that more than 35% of children aged
10 – 11 have cell phones. In a survey of 5000 randomly selected children ages 10 – 11, 1805 of
them had cell phones. Based on the sample data, can you conclude that the manager's claim is
true? Use a 1% level of significance.
A. Compute the test statistic.
B. Draw a picture of the distribution of the test statistic and shade the area that represents the p-
value.
Transcribed Image Text:1. A marketing manager for a cell phone company claims that more than 35% of children aged 10 – 11 have cell phones. In a survey of 5000 randomly selected children ages 10 – 11, 1805 of them had cell phones. Based on the sample data, can you conclude that the manager's claim is true? Use a 1% level of significance. A. Compute the test statistic. B. Draw a picture of the distribution of the test statistic and shade the area that represents the p- value.
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