A manufacturer knows that their items have a normally distributed length, with a mean of 9.6 inches, and standard deviation of 1.8 inches. If one item is chosen at random, what is the probability that it is less than 11.1 inches long?

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

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

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

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

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 9.6 inches,…

A: given mean = 9.6 inches  Standard deviation = 1.8

Q: Suppose the grades in a mathematics class are Normally distributed with a mean of 75 and a standard…

A: Introduction :-  Here the grades in a mathematics class are Normally distributed with a mean of 75…

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

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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 normally distributed length, with a mean of 18 inches,…

A: Let X be the random variable from normal distribution with mean (μ) = 18 inches and standard…

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

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Q: the breaking of a particular rope is normally distributed, with the mean of 350 lbs. and a standard…

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

A:

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

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

A: Let "X" be the length of the items.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.1 inches,…

A: It is given that the mean is 9.1 and standard deviation is 1.3.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 7.4 inches,…

A: Let "M" be the mean length of the item in inches.

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 19.4…

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Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17.7…

A: consider the test statistics z=x-μσn where μ is the mean, σ is the standard deviation, n is the…

Q: At a customer service call center for a large company, the number of calls received per hour is…

A: Let X represent the random variable   Mean=140 SD=5   X~ Normal (140, 5^2)

Q: At a customer service call center for a large company, the number of calls received per hour is…

A: At a customer service call center for a large company, the number of calls received per hour is…

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

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11.9…

A: Mean = 11.9 Standard deviation = 1.3

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 14.8…

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 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 16.4…

A:

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: At a customer service call center for a large company, the number of calls received per hour is…

A:

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

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Q: In a given year, the average annual salary of a cricket player was $205 000, with a standard…

A: The probability that the sample mean will be less than $210,000 is,…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.3…

A: Given information: A manufacturer knows that the length of its items are normally distributed…

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A:

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

A: Given: Calculate the corresponding Z score as follows: The probability that the length is less…

Q: the breaking of a particular rope is normally distributed, with the mean of 350 lbs. and a standard…

A:

Q: The heights of 18-year-old men are approximately normally distributed with a mean of 68 inches and a…

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Q: A population of 25-28 year-old males has a mean salary of $29,321 with a standard deviation of…

A: From the information, the mean salary of $29,321 with a standard deviation of $2,120.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.3 inches,…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 20 inches,…

A: Determine the Z score for the random variable X equals 23.1., The Z score for the random variable X…

Q: Based on data from the National Health Board, weights of men are normally distributed with a mean of…

A:

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 6.7 inches,…

A: Let x¯ denotes the mean length of an manufacturer item which follows normal distribution. The mean…

Q: A factory produces LED bulbs with an average lifespan of 50,000 hours and a standard deviation of…

A: Given dataMean = 50000Standard deviation = 4000If it is known that a bulb already has lasted for…

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

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.