timer Asked: Apr 28th, 2013

Question Description

Need help with my question - I’m studying for my class.

A researcher believes that the percentage of people who exercise in
California is greater than the nation exercise rate.  the national rate
is 20%. The researcher gathers a random sample of 120 individuals who
live in California and finds that the number who exercise regularly is
31 out of 120.

a. What is the x² obt?

b.  What is df for this test?

c.  What is x² cv?

d.  What conclusion should be drawn from these results?

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