Question 12
(05.05 mc)
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)
(28.9642, 39.0358)
(29.2226, 38.7774)
(28.9642, 38.7774)
(29.2226, 39.0358)
(29.9193, 38.0807)
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