A manufacturer knows that their items have a normally distributed length, with a mean of 10 inches, and standard deviation of 3.2 inches. If 3 items are chosen at random, what is the probability that their mean length is less than 12.2 inches?

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.5…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 14.1…

A:

Q: The accountants of a known auditing firm have a mean daily salary of P850 with a standard deviation…

A: X~N(μ= 850 , σ= 82 ) μ= 850 , σ= 82 Formula for Z-score Z=(X-μ)/σ

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.4…

A: We have to find the probability that their mean length is less than 15.9 inches...

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.6 inches,…

A: given mean = 9.6 inches  Standard deviation = 1.8

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10 inches,…

A: We have given that, Items are normally distributed with Mean(Mu) = 10 inches and standard deviation…

Q: The buffet has an average wait line of 45 minutes, with a standard deviation of 15 minutes. If we…

A: Given Data Population Mean,μ = 45.0 Population Standard Deviation,σ = 15.0

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 6.1…

A: Given: Length of items = X X distribution is skewed towards right mean of X= 6.1 inches standard…

Q: Suppose that the mean and standard deviation of plants height are 130 and 42, respectively, if a…

A:

Q: Suppose your customers' incomes are normally distributed with a mean of $37,500 with a standard…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.2…

A: The random variable is item. It follows standard normal distribution. It is given that the…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 7.1 inches,…

A: Mean(µ) = 7.1Standard deviations (σ) = 2.2X ~ N (µ, σ )= N (7.1, 2.2)

Q: manufacturer knows that their items have a normally distributed length, with a mean of 15.6 inches,…

A: Provided information is, a manufacturer knows that their items have a normally distributed length…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17 inches,…

A: Mean = 17 Standard deviation = 2.8 Sample size = 5

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 8.2 inches,…

A: Let X denote the length of items and it follows normal distribution with mean of 8.2 inches and…

Q: A manufacturer knows that their itenys have a normally distributed length, with a mean of 17.2…

A: Solution: Let X be the length. From the given information, X follows normal distribution with mean…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12.4…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12.4…

A: Given Information: Mean μ=12.4 Standard deviation σ=2.6 If 4 items are chosen at random, to find the…

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.4…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.2…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18.2…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 16.5…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

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

A: The distribution of length of items is N(µ=9.2 inches, σ=1.6 inches).

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12.4…

A: Mean = 12.4 Standard deviation = 1.7

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.2…

A: Given that, Mean = 19.2 Standard deviation = 3

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.5…

A: As per Bartleby guideline expert have to answer first question only dear student please upload other…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 5.5 inches,…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.1…

A: Given,sample size(n)=6mean(x¯)=13.1standard deviation(σ)=2

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

A: We have to find given probability.

Q: at their items have a normally distributed length, with a mean of 16.8 inches, and standard…

A: According to the sum, A manufacturer knows that its items have a normally distributed length, with a…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 6.5 inches,…

A: Let us consider the length of items denoted by X which is normally distributed length, with a mean…

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A: Given, Item have length follows normal distribution with mean 11.9 and standard deviation 1.1…

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 8.1…

A:

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

A: Let x be the length which follows normal distribution with mean 8.7 and standard deviation 2.2. The…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11 inches,…

A: Given :  sample mean = 11             standard deviation of samples=1.722=0.3624412178…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 5.2 inches,…

A: Obtain the probability that the mean length is less than 5.6 inches. The probability that the mean…

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

A: GivenMean(μ)=6standard deviation(σ)=0.6sample size(n)=22

Q: Suppose the heights of 18-year-old men are approximately normally distributed, with mean 66 inches…

A: Let "x" be the heights of 18-year-old men. Draw the normal curve and shade the area between…

Q: f 12 items are chosen at random, what is the probability that their mean length is less than 11.4…

A: Items have normally distributed length with mean 11.6 inches and standard deviation as 2.1 inches. X…

Q: If one item is chosen at random, what is the probability that it is less than 16.9 inches long?

A: Given:  Length of items = X  X has a normal distribution mean of X is 11.3 inches Standard deviation…

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

A: Given Mean=6.4 Standard deviations=0.5

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11.3…

A: Given that, Mean = 11.3 Standard deviation = 3.5

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10.8…

A: Provided information is, a manufacturer knows that their items have a normally distributed length,…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.4…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 16.1…

A:

Q: manufacturer knows that their items have a normally distributed length, with a mean of 5.7 inches,…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.8 inches,…

A: Here the length of item follows Normal distribution with mean=9.8 and standard deviation=0.8, ie…

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.