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The time spent to arrive to the university is normally distributed with mean 10 minutes and...
Time spent using email per session is normally distributed with a mean = 8 minutes and...
Time spent using email per session is normally distributed with a mean = 8 minutes and standard deviation =2 minutes. If a random samples of 36 sessions were selected, the computed sample standard deviation would be
1. A gas station opens at a time which is Normally distributed with the mean of...
1. A gas station opens at a time which is Normally distributed with the mean of 8:45 am and standard deviation of 10 minutes; similarly, its closing time is Normally distributed with the mean value at 5:12 pm and standard deviation of 15 minutes. If customers arrive as a Poisson Process with an average rate of 11.3 per hour, find the mean number of customers to be served in one such day, and the corresponding standard deviation. What is the...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that a randomly selected customer experiences a wait-time of less than 5 minutes? b. Find the wait time that defines the upper 1 percent.
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of...
The time spent completing problem sets per week is normally distributed with a mean of 8...
The time spent completing problem sets per week is normally distributed with a mean of 8 hours and a standard deviation of 2 hours. What is the probability that at a randomly selected week, time spent on doing problem sets: a) will take more than 9 hours? b) will take less than 9.5 hours? c) will take less than 6 hours? If random samples of 25 weeks are taken, what proportion of the sample means: d) would be more than...
#1-4 Exit Suppose that car wash times are normally distributed with a mean of 25 minutes...
#1-4
Exit Suppose that car wash times are normally distributed with a mean of 25 minutes and a standard deviation of 3 minutes. You will be considering a group of 9 randomly selected car wash times. Answer the following questions. D 1. Given the information above, what can we say about the sampling distribution of x-bar. It is also normally distributed, because the original poplation was normally distributed. It is normally distributed because n is bigger than 30. We do...
Scenario 7.5 Time spent using e-mail per session is normally distributed with H 8 minutes and...
Scenario 7.5 Time spent using e-mail per session is normally distributed with H 8 minutes and o 2 minutes. If a random sample of 25 sessions is selected, answer the questions below. Question 16 1 pts Based on the information in Scenario 7.5, what is the probability that the sample mean is between 7.8 and 8.2 minutes? (4 decimals) Question 17 1 pts Based on the information in Scenario 7.5, what is the probability that the sample mean is between...
Time spent using e-mail per session is normally distributed, with mu equals μ=9 minutes and sigma...
Time spent using e-mail per session is normally distributed, with mu equals μ=9 minutes and sigma equals σ=2 minutes. Assume that the time spent per session is normally distributed. Complete parts (a) through (d). a. If you select a random sample of 25 sessions, what is the probability that the sample mean is between 8.8 and 9.2 minutes? (Round to three decimal places as needed.) b. If you select a random sample of 25 sessions, what is the probability that...
The patient recovery time for a particular surgical procedure is normally distributed with a a mean...
The patient recovery time for a particular surgical procedure is normally distributed with a a mean of μ = 5.7 days and a standard deviation of σ = 1.2 days. (Round your answers to 3 decimal places.) a) 95% of patients have a recovery time between and . b) What is the recovery time for a patient who is 1.5 standard deviations below the mean? c) If X is the recovery time, compute P(3≤X≤4) and interpret what it means in the context...
Suppose a geyser has a mean time between eruptions of 64 minutes. Let the interval of...
Suppose a geyser has a mean time between eruptions of
64 minutes.
Let the interval of time between the eruptions be normally
distributed with standard deviation
12 minutes.
Complete parts (a) through (e) below make sure you awnser A
part B part C part D part E awnsers all parts correctly
9:47 PM Suppose a geyser has a mean time between eruptions of 64 minutes. Let the interval of time between the eruptions be normally distributed 12 minutes. Complete parts...
The amount of time that people spend at Grover Hot Springs is normally distributed with a...
The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 60 minutes and a standard deviation of 17 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( , ) b. Find the probability that a randomly...
1. A gas station opens at a time which is Normally distributed with the mean of 8:45 am and standard deviation of 10 minutes; similarly, its closing time is Normally distributed with the mean value at 5:12 pm and standard deviation of 15 minutes. If customers arrive as a Poisson Process with an average rate of 11.3 per hour, find the mean number of customers to be served in one such day, and the corresponding standard deviation. What is the...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that a randomly selected customer experiences a wait-time of less than 5 minutes? b. Find the wait time that defines the upper 1 percent.
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of...
#1-4
Exit Suppose that car wash times are normally distributed with a mean of 25 minutes and a standard deviation of 3 minutes. You will be considering a group of 9 randomly selected car wash times. Answer the following questions. D 1. Given the information above, what can we say about the sampling distribution of x-bar. It is also normally distributed, because the original poplation was normally distributed. It is normally distributed because n is bigger than 30. We do...
Scenario 7.5 Time spent using e-mail per session is normally distributed with H 8 minutes and o 2 minutes. If a random sample of 25 sessions is selected, answer the questions below. Question 16 1 pts Based on the information in Scenario 7.5, what is the probability that the sample mean is between 7.8 and 8.2 minutes? (4 decimals) Question 17 1 pts Based on the information in Scenario 7.5, what is the probability that the sample mean is between...
Suppose a geyser has a mean time between eruptions of
64 minutes.
Let the interval of time between the eruptions be normally
distributed with standard deviation
12 minutes.
Complete parts (a) through (e) below make sure you awnser A
part B part C part D part E awnsers all parts correctly
9:47 PM Suppose a geyser has a mean time between eruptions of 64 minutes. Let the interval of time between the eruptions be normally distributed 12 minutes. Complete parts...
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