- #1

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Calculate with 95% confidence, that over 60% of people like his chocolate ice cream.

H_0= mu > 0.60

H_1=mu < 0.60

25/50=0.50% of people like chocolate ice cream

(0.50-0.60)/ [100(0.60)(0.40)]^(1/2)= -0.1/24= - 0.00417

z crit = 1.96 therefore, we can not reject the null

is this right?

Thanks