Suppose a geyser has a mean time between eruptions of 84 minutes. Let the interval of time between the eruptions be normally distributed with standard deviation 27 minutes. Complete parts (a) through (e) below. (a) What is the probability that a randomly selected time interval between eruptions is longer than 95 minutes? The probability that a randomly selected time interval is longer than 95 minutes is approximately 0.3419.
Suppose a geyser has a mean time between eruptions of 84 minutes. Let the interval of time between the eruptions be normally distributed with standard deviation 27 minutes. Complete parts (a) through (e) below. (a) What is the probability that a randomly selected time interval between eruptions is longer than 95 minutes? The probability that a randomly selected time interval is longer than 95 minutes is approximately 0.3419.
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![Suppose a geyser has a mean time between eruptions of 84 minutes. Let the interval of time between the eruptions be
normally distributed with standard deviation 27 minutes. Complete parts (a) through (e) below.
(a) What is the probability that a randomly selected time interval between eruptions is longer than 95 minutes?
The probability that a randomly selected time interval is longer than 95 minutes is approximately 0.3419.
(Round to four decimal places as needed.)
(b) What is the probability that a random sample of 12 time intervals between eruptions has a mean longer than 95 minutes?
The probability that the mean of a random sample of 12 time intervals is more than 95 minutes is approximately 0.0793.
(Round to four decimal places as needed.)
(c) What is the probability that a random sample of 32 time intervals between eruptions has a mean longer than 95 minutes?
The probability that the mean of a random sample of 32 time intervals is more than 95 minutes is approximately
(Round to four decimal places as needed.)
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Transcribed Image Text:Suppose a geyser has a mean time between eruptions of 84 minutes. Let the interval of time between the eruptions be
normally distributed with standard deviation 27 minutes. Complete parts (a) through (e) below.
(a) What is the probability that a randomly selected time interval between eruptions is longer than 95 minutes?
The probability that a randomly selected time interval is longer than 95 minutes is approximately 0.3419.
(Round to four decimal places as needed.)
(b) What is the probability that a random sample of 12 time intervals between eruptions has a mean longer than 95 minutes?
The probability that the mean of a random sample of 12 time intervals is more than 95 minutes is approximately 0.0793.
(Round to four decimal places as needed.)
(c) What is the probability that a random sample of 32 time intervals between eruptions has a mean longer than 95 minutes?
The probability that the mean of a random sample of 32 time intervals is more than 95 minutes is approximately
(Round to four decimal places as needed.)
Get More Help -
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