A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.1 years, and standard deviation of 4.5 years. If you randomly purchase one item, what is the probability it will last longer than 5 years?

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.7…

A: It was given that a manufacturer knows that their items have a normally distributed lifespan. The…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.9…

A: Given that, Mean = 5.9 Standard deviation = 1.8

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.5…

A: Given, Mean μ = 3.5 years Standard deviation σ = 0.6 years.   We have to find the probability that…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.7…

A: Given:-A manufacturer knows that their items have a normally distributed lifespan, with a mean of…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.2…

A:

Q: he lengths of pregnancies are normally distributed with a mean of 268 days and a standard of…

A: mean=268 S.D=15

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.7…

A: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.7…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.9…

A:

Q: A bank's loan officer rates applicants for credit. The rating are normally distributed with a mean…

A: From the given information,   Mean = 705 Standard deviation = 32 Sample size = 50

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.2…

A: We have given that, Normally distributed with mean = 12.2 . And Standard deviation = 1.9 . We have…

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with…

A:

Q: If you randomly purchase 3 items, what is the probability that their mean life will be longer than…

A: Given that the items follow a normal distribution with  mean  =13.9 SD       =  2.7 Find the…

Q: Furnace repair bills are normally distributed with a mean of 263 dollars and a standard deviation of…

A: Here, µ = 263 and σ = 25.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.3…

A: GivenMean(μ)=4.3standard deviation(σ)=1.2

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.2…

A: Let X be the time that an item will last long

Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.6 years,…

A: Consider, X: Lifespan of items (in years) X~Nμ=14.6 , σ=4

Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.3 years,…

A: Given that  Mean = M = 6.3 , Standard deviation = SD = 0.9

Q: the life of a certain brand of car stereo is normally distributed with a mean of 5.2 years and a…

A: According to the given information in this question, we need to find the following probability

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.1…

A: Given: μ=10.1σ=3.1

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.1…

A: Given that X~N( μ ,σ) where  μ = 8.1 and σ= 1.6 we need to find the probability  P(X > 6) = ?

Q: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A: Given that : Mean =100 Standard Deviation =15 We have to find the probability a random person has an…

Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.2 years,…

A: given datta, normal distribution μ=5.2σ=1.7If you randomly purchase one item,  the probability it…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.9…

A: Let "X" be the lifespan of an item in years.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.7…

A: Solution-: Given: μ=12.7,σ=1.6 We want to find, P(one item randomly selected, it will last longer…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.5…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.4…

A: The mean and standard deviation can be calculated as: n= 22

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14 years,…

A: From the provided information,We randomly purchase one item.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.2…

A: Let X is the normally distributed lifespan of an item. μ=11.2,σ=2.5

Q: s that their items have a normally distributed lifespan, with a mean of 13.2 years, and standard…

A: The sampling distribution of the mean life of the sample will also follow normal distribution.  The…

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with…

A: Given Mean=4.5 Standard deviations 4

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.6…

A:

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)…

A: Assume that µ is the population mean weight of newborn girls.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6 years,…

A: Mean = 6 Standard deviation = 1.8 Sample size = 4

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.6…

A: Answer:- Given, A manufacturer knows that their items have a normally distributed lifespan, with a…

Q: f you randomly purchase 15 items, what is the probability that their mean life will be longer than…

A: Let X be the random variable of the lifespan of manufacturer items.Given that,Sample size

Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.3 years,…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.5…

A: Let random variable X be the lifespan of items The random variable X follows Normal distribution…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.5…

A: It is given that the items are normally distributed life span with mean 14.5 years and standard…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.5…

A: Let "M" be the mean lifespan of the item in years.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.1…

A: Given,mean(μ)=10.1standard deviation(σ)=2.2

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.7…

A: Mean()=14.7standard deviation()=4.8

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.9…

A: Answer:- Given, A manufacturer knows that their items have a normally distributed lifespan. Here,…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4 years,…

A: Given that  Mean = M = 4 , Standard deviation = SD = 0.7

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.