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Using Chi–square table finding the P–value and interpret the result

One possible side effect of air pollution is genetic damage. A study designed to examine this problem exposed one group of mice air near a steel mill and another group to air in a rural area. The study compared the number of Hm-2 gene mutations in each group. The data table is below.

Location
Mutation	Steel Mill Air	Rural Air
Yes	30	23
No
Total	96	150

a) Calculate the p-value from Table F.

b) At the 5% level, is there evidence to conclude that location and mutation are related?

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