Question: 1 points Question 4 A random sample of 226 fish caught out of Cedar Bluff lake was weighed.The mean weight of the sample of fish

1 points

Question 4

A random sample of 226 fish caught out of Cedar Bluff lake was weighed.The mean weight of the sample of fish was 4.67 lbs.The standard deviation of the distribution was .7 lbs.What would be the 99% confidence interval for the mean weight of the fish in Cedar Bluff Lake?

4.462 to 4.712

4.551 to 4.789

4.645 to 4.899

4.688 to 5.004

Question 5

The speed of a random sample of 401 cars driving through Hays on I 44 was measured with a radar.The mean speed of the 401 cars was 73 MPH.The standard deviation of the sample distribution of speeds was 5 MPH.What is the 95% confidence interval for the mean speed of all cars driving through Hays on I 44?

73.79 to 74.21

72.51 to 73.49

71.35 to 74.65

70.06 to 75.09

Question 6

The speed of a random sample of 401 cars driving through Hays on I 44 was measured with a radar.The mean speed of the 401 cars was 73 MPH.The standard deviation of the sample distribution of speeds was 5 MPH.What is the 99% confidence interval for the mean speed of all cars driving through Hays on I 44?

71.16 to 72.83

71.85 to 73.05

72.36 to 73.64

72.85 to 73.25

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