Mathematics, 20.02.2020 06:57 thicklooney
A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting a car with no visible damage by S (for success) and a car with such damage by F, results were as follows:S S F F S S S F S S(a) What is the value of the sample proportion of successes x/n?(b) Replace each S with a 1 and each F with a 0. Then calculate x for this numerically coded sample. x = 2How does x compare with x/n?The proportion in part (a) is exactly equal to the mean in part (b).The proportion in part (a) is greater than the mean in part (b). The proportion in part (a) is less than the mean in part (b).(c) Suppose it is decided to include 15 more cars in the experiment. How many of these would have to be S's to give x/n = 0.6 for the entire sample of 25 cars?
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A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting...
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