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HW Score: 79.35%, 15.8? of 20 points @ Points: 0.29 of 1 Question 19, 8.1 .22-T Part30f5 Suppose a geyser has a mean time between
HW Score: 79.35%, 15.8? of 20 points @ Points: 0.29 of 1 Question 19, 8.1 .22-T Part30f5 Suppose a geyser has a mean time between eruptions of 95 minutes. Let the interval of time between the eruptions be normally distributed with standard deviation 24 minutes. Complete parts (a) through (e) below. (a) What is the probability that a randomly selected time interval between eruptions is longer than 10? minutes? The probability that a randomly selected time interval is longer than 107 minutes is approximately 0.3085 . (Round to four decimal places as needed.) (b) What is the probability that a random sample of 9 time intervals between eruptions has a mean longer than 107 minutes? The probability that the mean of a random sample of9 time intervals is more than 107 minutes is approximately 0.0668 . (Round to four decimal places as needed.) (c) What is the probability that a random sample of 18 time intervals between eruptions has a mean longer than 107 minutes? The probability that the mean of a random sample of 18 time intervals is more than 107 minutes is approximately |:. (Round to four decimal places as needed.)
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