A security expert claims that at least 12% of all homeowners have a home securit

Question

A security expert claims that at least 12% of all homeowners have a home security alarm. State H0 and Ha in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. A. The null hypothesis expressed in words is. "the proportion of all homeowners who own a home security alarm is 0.12." The null hypothesis is expressed symbolically as. "H0: p = 0.12." B. The null hypothesis expressed in words is. "the proportion of all homeowners who own a home security alarm is at least 0.12." The null hypothesis is expressed symbolically as. "H0: p greaterthanorequalto 0.12." C. The null hypothesis expressed in words is. "the proportion of all homeowners who own a home security alarm is not 0.12." The null hypothesis is expressed symbolically as. "H0: p notequalto 0.12." D. The null hypothesis expressed in words is. "the proportion of all homeowners who own a home security alarm is at most 0.12." The null hypothesis is expressed symbolically as. "H0: lessthanorequalto 0.12."

Explanation / Answer

answer: Left tailed hypothesis test to be performed beacuse alternative hypothesis has less than operator.

Ha < 0.12

option B. to be chosen.

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