Question: A study claims that the average internet surfing time for college students is above 5 hours per day. You think 5% is significant and need

A study claims that the average internet surfing time for college students is above 5 hours per day. You think 5% is significant and need to

a. use z_0.05=1.645 because we're doing one tail test.

b. use z_0.025=1.96 because we're doing two tail test.

choose the right answer between a and b

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