The amount of time for one employee to be served at the company coffee shop is a random variable following an exponential distribution with a mean of 4 minutes. What is the probability that an employee is served in not more than 3 minutes on at least 3 of the next 6 days?

Q: If probability of choosing a red chip from a bucket is 0.39, what is the probability of not choosing…

A: Answer: From the given data, Let A is the event of choosing a red chip from a bucket The probability…

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A:

Q: A grocery clerk can serve 20 customers per hour on average and the service time follows an…

A: We have givenλ = 20/60 = 1/3 = 0.33 per minute X ~ Exponential (λ) Since we know that Cdf of…

Q: The amount of time, in seconds, a cashier spends with a customer during lunch time at a fast food…

A: Suppose the random variable x defines the amount of time, in seconds, a cashier spends with a…

Q: The average time between accidents in a factory is 11 weeks. Find the probability that more than 25…

A: Average time between accidents in a factory is 11 weeks, Probability that more than 25 weeks pass…

Q: The heights of students from a certain school are normally distributed wit mean 106 cm and standard…

A: Given data,μ=106σ=8P(X<x)=25.14%P(X<x)=0.2514

Q: he average number of calories in a 1.5-ounce chocolate bar is 225. Suppose that the distribution of…

A:

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: The time between arrivals of vehicles at particular intersection follows an exponential probability…

A:

Q: 45% of Americans don't know the sun is a star. The data is normally distributed. Find the…

A: Given that, n=120,p=0.45 The mean and standard deviation of the sampling distribution of  p^ is,

Q: The time between aircraft landing at a local airport has an exponential distribution with a mean of…

A: Let X=The time between aircraft landing at a local airport Given that X follows an exponential…

Q: Find the probability that exactly 7 out of 10 adults are active on social media considering a…

A: Given that  Probability of failure = 50% = 0.50 = P (1-P) = 1-0.50 = 0.50  = P(Success) Sample size…

Q: The number of customers arriving at the outtakes food stand during lunch hour is poison distributed…

A: Solution: Let X be the number of customers will arrive in one minute during lunch hour. From the…

Q: If 25 male college students are randomly​ selected, find the probability that their mean weight gain…

A: It is given that the mean is 1.2 and standard deviation is 5.6.

Q: The time between arrivals of vehicles at particular intersection follows an exponential probability…

A: Given: Time between arrivals of vehicles at particular intersection follows an exponential…

Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

Q: The average time between accidents in a factory is 4 weeks. Find the probability that more than 11…

A:

Q: Suppose that 60% of all California motorists are insured. Find the probability  that more than 55%…

A: given data  P(insured) = p = 0.60 sample size n = 100 P(p^>0.55) = ?

Q: Suppose the time it takes a cashier to serve a customer follows an exponential distribution with a…

A: given data service time : μ = 3 minutes λ = 13 per minute

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Givenproportion(p)=0.634sample size(n)=430Mean(μp^)=p=0.634standard…

Q: At a bank, there is a line of 3 people and only one cashier that serves one person at a time. The…

A: Exponential distribution : A continuous random variable x is said to be follows exponential…

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Given,n=80p=0.613np=80×0.613=49.04>5nq=80×(1-0.613)=30.96>5np and nq are greater than 5 so ,…

Q: The amount of time spouses shop for an anniversary cards can be modeled by an exponential…

A: The probability density function of an exponential distribution is as follows:

Q: ount of time spouses shop for anniversary cards can be modeled by an exponential distribution with…

A: It is given that the  The amount of time spouses shop for anniversary cards can be modelled by an…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Solution: Let X be the number of people in the United States own individual stocks. The probability…

Q: The length of time for one individual to be served at a cafeteria is a random variable having an…

A: Probability distribution function explains the probability distribution of the observations for…

Q: driven each day by a truck driver falls between 300 and 650 and follows a uniform distribution. Find…

A: Given: Lower Distribution Limit (a)(a) = 300300 Upper Distribution Limit (b)(b) = 650650

Q: ccident in a city is 7 during half a day.. he next 24 hours?

A:

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A:

Q: probability of relapse into alcoholism can be modeled with a discrete random variable with mean ? =…

A: Given data:- We know that given a discrete random variable with a mean of 4 years so we will use…

Q: The average time between accidents in a factory is 15 weeks. Find the probability that more than 18…

A:

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A: Given,A random variable X~Exponential(λ=147)f(x)=147e-x47     ;    x≥0

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A: