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(CO 5) An advocacy group claims that the mean braking distance of a certain type of tire is 75 feet when the car is going
(CO 5) An advocacy group claims that the mean braking distance of a certain type of tire is 75 feet when the car is going 40 miles per hour. In a test of 45 of these tires, the braking distance has a mean of 76 and a standard deviation of 5.9 feet. Find the standardized test statistic and the corresponding p-value.
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test statistic = -1.14, p-value = 0.1278
test statistic = -1.14, p-value = 0.2555
test statistic = 1.14, p-value = 0.1278
test statistic = 1.14, p-value = 0.2555
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