Question 2 of 2 (6 points) Smartphones: A poll agency reports that 44% of teenagers aged 12-17 own smartphones. A random sample of 154 teenagers

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

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igtguith

26.06.2020

Mathematics

X=12*（21/14）=18 // you can find the ratio of the according sides.
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Question 2 of 2 (6 points) Smartphones: A poll agency reports that 44% of teenagers aged 12-17 own smartphones. A random sample of 154 teenagers is drawn. Round your answers to at least four decimal places as needed.