O Smartphones: A poll agency reports that 52% of teenagers aged 12-17 own smartphones. A random sample of 200 teenagers is drawn. Round your answers to at least four decimal places as needed. Part: 0/6 Part 1 of 6 (a) Find the mean HA. P The mean HA is on

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A: GivenMean(μ)=89standard deviation(σ)=22

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Q: Smartphones: A poll agency reports that 27% of teenagers aged 12-17 own smartphones. A random sample…

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A: From the provided information, Sample size (n) = 16 Population mean (µ) = 87 sec

Q: Seventeen different video games showing drug use were observed. The duration times of drug use (in…

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A: a)  Level of measurement for DEGREE is Ordinal.  Level of measurement for AGEKDBRN is Ratio.