SOLUTION: Suppose that in a random selection of 100 colored candies, 28% of them are blue. The candy company claims that the percentage of blue candies is equal to 26%. Use a 0.05 significan

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Question 1103538: Suppose that in a random selection of 100 colored candies, 28% of them are blue. The candy company claims that the percentage of blue candies is equal to 26%. Use a 0.05 significance level to test that claim.
Test statistic:
P-value:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Assume random sample
Use a z-test, one sample proportion and Ho: proportion 26% Ha: not 26%.
alpha is 0.05
Test stat is z=(phat-p)/sqrt [(p*(1-p))/n]; use for the sqrt the Ho of 0.26
Critical value is |z|>1.96
value of z is 0.02/0.043=0.465, fail to reject Ho.
p-value is 0.65