In a poll of 1084 adults, it was found that 22% smoked cigarettes in the past week. Use 0.05 nificance level to test claim that less than 25% of adults smoked within past week. What is the test...

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In a poll of 1084 adults, it was found that 22% smoked cigarettes in the past week. Use 0.05 nificance level to test claim that less than 25% of adults smoked within past week. What is the test statistic

Answered Same DayDec 22, 2021

Answer To: In a poll of 1084 adults, it was found that 22% smoked cigarettes in the past week. Use 0.05...

David answered on Dec 22 2021

131 Votes

This is a hypothesis testing for population proportion.
22% of 1084 = 0.22 proportion
25% of 1084 = 0.25 proportion
It is to be tested that whether the proportion of smokers is less than 0.25
Therefore,
H0: p = 0.25
H0: p < 0.25
Thus this is a one tailed test
A z-test statistic for...

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In a poll of 1084 adults, it was found that 22% smoked cigarettes in the past week. Use 0.05 nificance level to test claim that less than 25% of adults smoked within past week. What is the test...

Answer To: In a poll of 1084 adults, it was found that 22% smoked cigarettes in the past week. Use 0.05...

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