Check the values of break-off rates shown in the table.

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Chapter 9.4, Problem 67ACB

a.

To determine

Check the values of break-off rates shown in the table.

b.

To determine

State the null and alternative hypotheses for testing that the true break-off rate for web users of the red welcome screen will be lower than the corresponding break-off rate for white screen.

c.

To determine

Test and conclude the hypothesis that is given in Part (b) at α=0.10.

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