Critical Value: Z = 2

question 81

Multiple Choice

Critical value: z = 2.33. Fail to reject null hypothesis. There is not sufficient evidence to support the claim
that more than half of all those using the drug experience relief.
-A nationwide study of American homeowners revealed that 65% have one or more lawn mowers. A lawn equipment manufacturer, located in Omaha, feels the estimate is too low for households in Omaha. Find the
P-value for a test to support the claim that the proportion with lawn mowers in Omaha is higher than 65%.
Among 497 randomly selected homes in Omaha, 340 had one or more lawn mowers.

• A) 0.1118
• B) 0.0559
• C) 0.0505
• D) 0.0252

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