Write the null and alternative hypotheses for the following example. Determine if the example is a case of a two-tailed, a left-tailed, or a right-tailed test. To test if the mean length of experience of airport security guards is different from 3 years. O Ho: =3 years, H1: u>3 years, right-tailed test O Ho: Hz3 years, H1: µ=3 years, right-tailed test O Ho: µs3. years, H1: µ>3 years, two-tailed test O Ho: H = 3 years, H1: uz3 years, two-tailed test O Ho: µ=3 years, H1: µ<3 years, left-tailed test

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Q: Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the…

A: Introduction - z-score  z=x-μσwhere ,x=score σ=standard deviation μ=mean

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A:

Q: For each statement, select the correct null hypothesis, H0, and alternative hypothesis, Ha, in…

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