40% women video renters buy snacks; 65% male video renters buy snacks. A computed z of 4.5 is calculated. Assuming the critical value of z is + or – 1.96, this means:

A) nothing; z does not determine anything
B) the null hypothesis is not supported; there is a true difference between the two percentages
C) the null hypothesis is supported; there is a true difference between the two percentages
D) the alternative hypothesis is not supported; there is a true difference between the two percentages
E) the null alternative is supported; there is a true difference between the two percentages

B

Business

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