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Smartphones: A poll agency reports that 37 % of teenagers aged 12 17 own smartphones. A random sample of101 teenagers is drawn. Round your answers

Smartphones:A poll agency reports that

of teenagers aged

own smartphones. A random sample of101

teenagers is drawn. Round your answers to at least four decimal places as needed.

Part:0 / 6

0 of 6 Parts Complete

Part 1 of 6

(a) Find the mean

.The mean

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