Question

1. The process time of oil change in a car follows an exponential distribution with a...

1. The process time of oil change in a car follows an exponential distribution with a mean of 5 minutes. What is the probability that a process of oil change takes more than 6 minutes?

2. What is the probability that a process of oil change takes between 3 and 5 minutes?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The time between arrivals at a toll booth follows an exponential distribution with a mean time...
The time between arrivals at a toll booth follows an exponential distribution with a mean time between arrivals of 2 minutes. What is the probability that the time between two successive arrivals will be less than 3 minutes? What is the probability that the time will be between 3 and 1 minutes?
The time it takes to completely tune an engine of an automobile follows an exponential distribution...
The time it takes to completely tune an engine of an automobile follows an exponential distribution with a mean of 48 minutes. (Total: 4 marks; 2 marks each) a. What is the probability of tuning an engine in 36 minutes or less? b. What is the probability of tuning an engine between 24 and 36 minutes?
Suppose that the time between successive occurrences of an event follows an exponential distribution with mean...
Suppose that the time between successive occurrences of an event follows an exponential distribution with mean number of occurrences per minute given by λ = 5. Assume that an event occurs. (A) Derive the probability that more than 2 minutes elapses before the occurrence of the next event. Derive the probability that more than 4 minutes elapses before the occurrence of the next event. (B) Use to previous results to show: Given that 2 minutes have already elapsed, what is...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown.​ However, records indicate that the mean time is 11.2 minutes and the the standard deviation is 4.9 minutes. The sample size is greater than or equal to 30. Please answer C below: What is the probability that a random sample of n=35 oil changes results in a sample mean time less than 10 minutes? The probability is approximately 0.0735...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10 ​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 11.6 minutes ​, and the standard deviation is 4.3 minutes What is the probability that a random sample of n =35 oil changes results in a sample mean time less than 10 ​minutes?
The waiting time (in minutes) for a new bitcoin block follows an exponential distribution with? =...
The waiting time (in minutes) for a new bitcoin block follows an exponential distribution with? = 15. a. What is the probability that no blocks are found within 30 minutes? b. What is the probability that the waiting time for a new block is between 10 minutes and 20 minutes? c. What is the probability of finding less than 2 blocks in an hour?
The waiting time at a certain checkout counter follows an exponential distribution with a mean waiting...
The waiting time at a certain checkout counter follows an exponential distribution with a mean waiting time of five minutes. a) Compute the probability that an individual customer waits longer than 5 1/2 minutes at the checkout counter. b) Compute the exact probability that the average checkout time for 5 individuals is greater than 5 ½ minutes. c) Compute the exact probability that the average checkout time for 15 individuals is greater than 5 ½ minutes. d) Apply the Central...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 1515 -minute oil-change facility is unknown. However, records indicate that the mean time is 16.6 minutes and the standard deviation is 3.6 minutes Complete parts (a) through (c) below. What is the probability that a random sample of nequals=35 oil changes results in a sample mean time less than 15 minutes? Suppose the manager agrees to pay each employee a $50 bonus if they...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10-Minute oil-change facility is unknown.​ However, records indicate that the mean time is 11.2 minutes, and the standard deviation is 4.9 minutes. What is the probability that a random sample of n=35 oil changes results in a sample mean time less than 10 minutes? Please answer rounding to four decimal places.
The shape of the distribution of the time is required to get an oil change at...
The shape of the distribution of the time is required to get an oil change at a 15-minute oil-change facility is unknown. However, records indicate that the mean time is 16.2 minutes, and the standard deviation is 4.2 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? A. The sample size needs to be less than or equal to 30. B. The sample size needs...