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The time between unplanned...
The time between unplanned shutdowns of a power plant has an exponential distribution with a mean...
The time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 16 days. Find the probability that the time between two unplanned shutdowns is a. less than 14 days. b. more than 23 days c. less than 10 days. a-The probability that the time between two unplanned shutdowns is less than 14 days is (Round to four decimal places as needed.) b.The probability that the time between two unplanned shutdowns is more than 23...
The average weekly work hours of full-time U.S. workers have approximately a normal distribution with mean...
The average weekly work hours of full-time U.S. workers have approximately a normal distribution with mean 37 hours and standard deviation 10 hours. Suppose 200 U.S. citizens are randomly chosen. Find an approximate probability that less than 10 of them are working more than 50 hours a week on average (round off to third decimal place).
The average weekly work hours of full-time U.S. workers have approximately a normal distribution with mean...
The average weekly work hours of full-time U.S. workers have approximately a normal distribution with mean 37 hours and standard deviation 10 hours. Suppose 200 U.S. citizens are randomly chosen. Find an approximate probability that less than 10 of them are working more than 50 hours a week on average (round off to third decimal place).
The amount of time that a mobile phone will work without having to be recharged is...
The amount of time that a mobile phone will work without having to be recharged is a random variable having the Exponential distribution with mean 2.2 days. a) Find the probability (to three decimal places) that such a mobile phone will have to be recharged in less than 1 days. b) Suppose a new model of smart phone has probability 0.3288 of needing to be recharged in less than 1 days. We have 17 of these new phones, all...
can i please get help with this!! Suppose a geyser has a mean time between eruptions...
can
i please get help with this!!
Suppose a geyser has a mean time between eruptions of 96 mins.
let the interval of time between the eruptions be normally
distributed with standard deviation 19 mins. complete parts a thru
e
(a) What is the probability that a randomly selected time interval between eruptions is longer than 105 minutes? The probability that a randomly selected time interval is longer than 105 minutes is approximately . (Round to four decimal places as...
The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds
The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds (a) Sketch this exponential probability distribution(b) What is the probability that the arrival time between vehicles is 12 seconds or less? (Round your answer to four decimal places.) (c) What is the probability that the arrival time between vehicles is 6 seconds or less? (Round your answer to four decimal places.) (d) What is the probability of 32 or more seconds between...
Hello, need help solving the rest. I might be doing it wrong and cannot figure it...
Hello, need help solving the rest. I might be doing it wrong
and cannot figure it out. Thank you.
The Poisson distribution gives the probability for the number of occurrences for a "rare" event. Now, let x be a random variable that represents the waiting time between rare events. Using some mathematics, it can be shown that x has an exponential distribution. Let be a random variable and let o be a constant. Thenis a curve representing the exponential distribution....
3. From 2000-2019 there were a total of 3071 earthquakes worldwide with a magnitude of 6...
3. From 2000-2019 there were a total of 3071 earthquakes worldwide with a magnitude of 6 or greater, or an average of about 0.42 such earthquakes per day.* Assume that moving forward the total number of such earthquakes to occur over any time period follows a Poisson distribution with an average of 0.42 earthquakes per day. For the remainder of this question, "earthquake" will mean an earthquake with a magnitude of 6 or greater. Define a new random variable as...
I just need the answer for E and F, thank you:) Suppose the lengths of the...
I just need the answer for E and F, thank you:)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p=123 days and standard deviation = 13 days. Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 118 days? The probability that a randomly selected pregnancy lasts less than 118 days is approximately 0.3503). (Round to four decimal places as needed.) Interpret this...
We're interested in the amount of time spent at work by college graduates employed full-time. The...
We're interested in the amount of time spent at work by college graduates employed full-time. The standard amount of time spent at work by full-time employees is 40 hours per week. We suspect that the mean number of hours worked per week by college graduates is less than 40 hours and wish to do a statistical test. We select a random sample of 100 college graduates employed full-time and compute the mean number of hours worked per week by the...
The time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 16 days. Find the probability that the time between two unplanned shutdowns is a. less than 14 days. b. more than 23 days c. less than 10 days. a-The probability that the time between two unplanned shutdowns is less than 14 days is (Round to four decimal places as needed.) b.The probability that the time between two unplanned shutdowns is more than 23...
can
i please get help with this!!
Suppose a geyser has a mean time between eruptions of 96 mins.
let the interval of time between the eruptions be normally
distributed with standard deviation 19 mins. complete parts a thru
e
(a) What is the probability that a randomly selected time interval between eruptions is longer than 105 minutes? The probability that a randomly selected time interval is longer than 105 minutes is approximately . (Round to four decimal places as...
Hello, need help solving the rest. I might be doing it wrong
and cannot figure it out. Thank you.
The Poisson distribution gives the probability for the number of occurrences for a "rare" event. Now, let x be a random variable that represents the waiting time between rare events. Using some mathematics, it can be shown that x has an exponential distribution. Let be a random variable and let o be a constant. Thenis a curve representing the exponential distribution....
3. From 2000-2019 there were a total of 3071 earthquakes worldwide with a magnitude of 6 or greater, or an average of about 0.42 such earthquakes per day.* Assume that moving forward the total number of such earthquakes to occur over any time period follows a Poisson distribution with an average of 0.42 earthquakes per day. For the remainder of this question, "earthquake" will mean an earthquake with a magnitude of 6 or greater. Define a new random variable as...
I just need the answer for E and F, thank you:)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p=123 days and standard deviation = 13 days. Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 118 days? The probability that a randomly selected pregnancy lasts less than 118 days is approximately 0.3503). (Round to four decimal places as needed.) Interpret this...
We're interested in the amount of time spent at work by college graduates employed full-time. The standard amount of time spent at work by full-time employees is 40 hours per week. We suspect that the mean number of hours worked per week by college graduates is less than 40 hours and wish to do a statistical test. We select a random sample of 100 college graduates employed full-time and compute the mean number of hours worked per week by the...
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