Solution :
This is the two tailed test .
The null and alternative hypothesis is
H0 : p = 1/6
Ha : p 1/6
Test statistic = z = -3.28
= 0.05
/2
= 0.025
Z/2
= Z0.025 = 1.96
critical value = z< -1.96, or z >1.96
Reject the H0 , because test statistic is in the rejection region area.
correct option is = A
The test statistic of z = -3.28 is obtained when testing the claim that p= 1/6....
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