and clck in the samples in Columns box and sulect c3 variable Leave unchecked an

Question

and clck in the samples in Columns box and sulect c3 variable Leave unchecked and leave the Perform hypothesis test box unchecked click on options and set the conndence distribution Then on enter as 90) box Use test and interval ok ok. he same procedures above 95% and confodence intervals residents who listen to the radio Find the Bosi conndence interval Mor the proportion of al Frankin County of the data IAMor FM) while commuting la work Interpret this confidence interval in the context 6. Find me as% confidence interval for the proporton of all Frankin County residents who listen to the radio (AMor FM) while commutng to work. Interpret this confidence in the context the data. 9 Find the 99% confidence interval for the proportion of al Franklin County residents who isten to the radio (AM or FM) while commuting to work. Interpret this confidence interval in the context of the data. (o 724 4ys o 1 81315)

Explanation / Answer

Question 7

Answer:

We are 90% confident that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 76.77% and 39.70%. We can also say that there is a 90% probability or possibility that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 76.77% and 39.70%.

Question 8

Answer:

We are 95% confident that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 75.32% and 90.57%. We can also say that there is a 95% probability or possibility that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 75.32% and 90.57%.

Question 9

Answer:

We are 99% confident that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 72.49% and 92.13%. We can also say that there is a 99% probability or possibility that the proportion of Franklin County residents who listen to the radio (AM or FM) while commuting to work, would be lies between 72.49% and 92.13%.

Question 10

Answer:

Based on the above three confidence intervals, the sample data does not suggest that at least 70% of all Franklin County residents listen to the radio (AM or FM) while commuting to work because the none of the above confidence interval does not include the value 70%.

First Interval (90%)

76.77% and 39.70%

Does not include 70%

Second Interval (95%)

75.32% and 90.57%

Does not include 70%

Third Interval (99%)

72.49% and 92.13%

Does not include 70%

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