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The speed of a car, measured in miles per hour, was determined 10 times at random....

The speed of a car, measured in miles per hour, was determined 10 times at random. The results are 22, 43, 35, 32, 41, 28, 29, 30, 37, and 43 miles per hour. Construct a 95% confidence interval for the mean speed of this vehicle. (4 points)

a. (28.9642, 39.0358)

b. (29.2226, 38.7774)

c. (28.9642, 38.7774)

d. (29.2226, 39.0358)

e. (29.9193, 38.0807)

Math   Statistics-And-Probability   
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