Thunderstorm Speeds A meteorologist who sampled 10 thunderstorms found that the average speed at which they traveled across a certain state was 12 miles per hour. The standard deviation of the sample was 2.2 miles per hour. Use a graphing calculator and round the answers to at least one decimal place. Part: 0 / 2 Part 1 of 2 Find the 85% confidence interval of the mean. Assume the variable is normally distributed.

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Thunderstorm Speeds A meteorologist who sampled 10 thunderstorms found that the average speed at which they traveled across a certain state was 12
miles per hour. The standard deviation of the sample was 2.2 miles per hour. Use a graphing calculator and round the answers to at least one decimal place.
Part: 0 / 2
Part 1 of 2
Find the 85% confidence interval of the mean. Assume the variable is normally distributed.
Part: 1/ 2
Part 2 of 2
If a meteorologist wanted to use the highest speed to predict the times it would take storms to travel across the state in order to issue
figure would she likely use?
what
The meteorologist should use
miles per hour for the prediction.
Transcribed Image Text:Thunderstorm Speeds A meteorologist who sampled 10 thunderstorms found that the average speed at which they traveled across a certain state was 12 miles per hour. The standard deviation of the sample was 2.2 miles per hour. Use a graphing calculator and round the answers to at least one decimal place. Part: 0 / 2 Part 1 of 2 Find the 85% confidence interval of the mean. Assume the variable is normally distributed. Part: 1/ 2 Part 2 of 2 If a meteorologist wanted to use the highest speed to predict the times it would take storms to travel across the state in order to issue figure would she likely use? what The meteorologist should use miles per hour for the prediction.
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