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Lab #17-Hypothesis, p-values, and alpha levelsFor problems 1-4, write the null and alternative hypotheses you would use to test each.A governor is concerned about his "negatives"-the percentage of state residents who expressdisapproval of his job performance. His political committee pays for a series of TV ads, hopingthat they can keep the negatives below 30%. They will use follow-up polling to assess the ads,effectiveness1.Ho:Ha:2.Is a coin fair?Ho:Ha:Only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claimthat listening to the recorded messages can help people quit.3.Ho:Ha:In the 1950s only about 40% of high school graduates went on to college. Has the percentagechanged?4.Ho:Ha:

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Lab #17-Hypothesis, p-values, and alpha levels
For problems 1-4, write the null and alternative hypotheses you would use to test each.
A governor is concerned about his "negatives"-the percentage of state residents who express
disapproval of his job performance. His political committee pays for a series of TV ads, hoping
that they can keep the negatives below 30%. They will use follow-up polling to assess the ads,
effectiveness
1.
Ho:
Ha:
2.
Is a coin fair?
Ho:
Ha:
Only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim
that listening to the recorded messages can help people quit.
3.
Ho:
Ha:
In the 1950s only about 40% of high school graduates went on to college. Has the percentage
changed?
4.
Ho:
Ha:
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Lab #17-Hypothesis, p-values, and alpha levels For problems 1-4, write the null and alternative hypotheses you would use to test each. A governor is concerned about his "negatives"-the percentage of state residents who express disapproval of his job performance. His political committee pays for a series of TV ads, hoping that they can keep the negatives below 30%. They will use follow-up polling to assess the ads, effectiveness 1. Ho: Ha: 2. Is a coin fair? Ho: Ha: Only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded messages can help people quit. 3. Ho: Ha: In the 1950s only about 40% of high school graduates went on to college. Has the percentage changed? 4. Ho: Ha:

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Null hypothesis: It is used in hypothesis test which proposes that there is no significant difference among variables. If there is a single variable, then it is not different than its mean or proportion.

Alternate Hypothesis: It is used in hypothesis test to contradict the...

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Math

Statistics

Hypothesis Testing

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