The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of 6 minutes and a standard deviation of 3 minutes. Seventy percent of the time, it takes more than how many minutes to find a parking space? (Round your answer to two decimal places.)
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Since we want to find the probability that X is greater than K, we need to find the Z-score that corresponds to a cumulative probability of 0.3 (1 - 0.7). Show more…
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