2.In a sample of 100 M&Ms, it is found that 8% are brown. Use a 0.05 significance level to test the claim that of the Mars candy company that the percentage of brown M&Ms is equal to 13%.Identify the null and alternative hypotheses.

Solution:

Null Hypothesis (Ho): p = 0.13

Percentage of brown M&Ms is equal to 13%

Alternative Hypothesis (Ha): p 0.13

Percentage of brown M&Ms is equal to 13%

(Refer to problem 2) Find the test statistic.

Solution:

Z = (p p)/ p(1-p)/n

Z =

Z =

Z =