If p = 3.8 % and n = 200, is the Poisson distribution a reasonable approximation of the binomial distribution? O yes O no What is the mean of this binomial distribution (and the mean of the Poisson distribution used to approximate it)? What is the actual standard deviation of this binomial distribution? What is the standard deviation of the (approximate) Poisson distribution? Are these values in reasonable agreement? O yes O no

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Consider random variable x defines the tome to oil change.

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A: (c ) Determine the value that there would be a 10% chance of being at or below mean oil change time.…

Q: Consider an x distribution with standard deviation ? = 35. (a) If specifications for a research…

A: Note: We have considered standard error as the standard deviation of x-bar. If x has standard…

Q: Suppose that, as part of a game at a charity carnival, players are invited to spin a wheel for a…

A: Note :- As per our policy, we can answer one question ay a time, please make a new request for…

Q: If the random variable X follows a Poisson distribution with parameter 10, what is the probability…

A: From the given information we find the probability.

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Solution: Let X be the time required to get an oil change at a 20-minute oil-change facility. From…

Q: A population is normally distributed with mean 11.5 and standard deviation 5. Find the probability…

A:

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A: Let, X = Time required to get an oil change at a 10-minute oil change facility. Then;…

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A: (a)   Determine the sample size that would be required for computing the probabilities of the…

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A: Given Information: Mean = 16.1 minutes Standard deviation = 4.5 minutes. To find the probability…

Q: Suppose n = 41 and p = 0.37. Can we approximate p̂ by a normal distribution? Why? (Use 2 decimal…

A:

Q: If 15 P(5) = AP(1) in Poisson's distribution, what is the mean?

A: According to definition, the probability of x number of successes is given by the formula;…

Q: A coin has a probability of p = 0.5 for getting a head in each toss. What is the expected number of…

A: Negative Binomial Distribution: If we have a sequence of trials each having two outcomes, say…

Q: A citrus farmer has observed the following distribution for the number of oranges per tree. ​ (1)…

A:

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A:

Q: 4.According to the children’s growth chart that doctors use as a reference, the heights of…

A: Given,mean(μ)=85standard deviation(σ)=5

Q: Calls to a COVID-19 centre in an hospital follows a poisson distribution with a mean of 10 calls per…

A: Given: An hospital follows a Poisson distribution with a mean of 10 calls per minute

Q: A population mean is 13. The sample mean is 12.8, and the sample standard deviation is 2. The sample…

A: Given that,

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 79 mph and…

A: Given Data Population Mean,μ = 79.0 Population Standard Deviation,σ = 6.0

Q: Consider an x distribution with standard deviation σ = 40. (a) If specifications for a research…

A: It is given that:

Q: Although, in​ general, you cannot know the sampling distribution of the sample mean​ exactly, by…

A: A number of samples are taken when samples are drawn from a population and the mean is determined…

Q: Answer the questions below with the minimum of 5 sentences 1. What is the importance of z-scores in…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: a)If there are 350 people at a town meeting,Calculate the probability that the parking lot will be…

A:

Q: A large candy company has a product that comes in several different colors. The company claims that…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 2. Calculate the variance and standard deviation for the following data set: x: 1.4 1.9 2.4 2.9 3.4…

A: Data for X and n  is given, We have to calculate variance and standard deviation and outliers for…

Q: 12 dice are thrown 3086 times and a throw of 2, 3 or 4 is reckoned as a success. Suppose that 19142…

A:

Q: 3. Find the mean, variance, and standard deviation for the given above binomial distribution with…

A:

Q: A certain hospital considers “low birth weights” to be those that are less than 5.5 lb. Assume birth…

A: Given data: Mean = 7.6 lb Standard deviation  = 1.53 lb To calculate: The probability, If a birth…

Q: Although studies continue to show smoking leads to significant health problems, 30% of adults in a…

A: Given the probability of adults in a country smoke is 30% and there are 250 adults. That is, p=0.30…

Q: In developing a confidence interval for the population standard deviation, we make use of the fact…

A: In developing a confidence interval for the population standard deviation, we make use of the fact…

Q: Consider an x distribution with standard deviation σ = 32. (a) If specifications for a research…

A:

Q: A manufacturing firm produces resistors with mean and standard deviation of 220 Ω and 11 Ω,…

A:

Q: 1. What requirements must be met for a normal probability distribution to be the standard normal…

A: Since there are multiple questions posted, we will answer the first three questions. If you want any…

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Solutions Given The shape of the distribution of the time required to get an oil change at a…

Q: Suppose we have 20 observations from a normal population with mean 10 and standard deviation 3. Let…

A: We know that the, if n is the number of observations, S2 is the sample variance and σ2 is the…

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Given that

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A:

Q: A coin has a probability of p = 0.5for getting a head in each toss. What is the expected number of…

A: We have given that a coin has probability p=0.5 for getting a head in each toss. Let X be a random…

Q: WNAE, an all-news AM station, finds that the distribution of the lengths of time listeners are tuned…

A: 1. The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: 1. Assume the weekly costs for full-time daycare in some large city have a mean of $120, and a…

A: Let X be the random variable from normal distribution with mean (μ) = $ 120, standard deviation (σ)…

Q: If p=0.5%p=0.5% and n=700n=700, is the Poisson distribution a reasonable approximation of the…

A: Determine whether the Poisson distribution a reasonable approximation of the binomial distribution…

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A: Since the question has multiple sub parts we will solve the first part only. Please resend the…

Q: Suppose the daily attendance at Disneyland is normally distributed with mean 52 (thousand) and…

A: Given,mean(μ)=52standard deviation(σ)=8.4sample size(n)=15

Q: According to the Current Results website, the state of California has a mean annual rainfall of 22…

A: Given that,  The sample size is, n = 45

Q: ) Find the Mean and Standard Deviation for a binomial distribution with n = 30 and these values ​​of…

A:

Q: When can a binomial distribution typically be approximated by a normal distribution? Which of these…

A:

Q: Bring out the fallacy, if any, in the following statements : (a) The mean of a binomial distribution…

A: Here  For Binomial distribution  mean=np Variance=np(1-p)

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A:

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Given There are 40 oil changes between 10 A.M. and 12 P.M.  n=40   10% chance of the mean oil-change…