Given a normally distributed variable x with mean 10.5, standard deviation of 7, find the value of x such that P(x

Q: z-scores are normally distributed with a mean of 0 and a standard deviation of 1.

A: Solution : Let z-scores are normally distributed with a mean of 0 and a standard deviation of 1.

Q: A distribution of values is normal with a mean of 80 and a standard deviation of 4. Find the…

A: From the provided information, Mean (µ) = 80 Standard deviation (σ) = 4 The distribution of X is as…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: It is assumed that the readings at freezing on a batch of thermometers are normally distributed with…

Q: For a population with a mean of u=100 and a standard deviation of o=20, find the z-score for each of…

A: Z-score is computed for statistical analysis. It can be negative or positive. It is the number of…

Q: A sample data Xhas a mean of 14 and a standard deviation of 5. 1. The z-score of the X-value 19 is O…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

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Q: Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(-…

A: Given that z scores are normally distributed with a mean of 0 and a standard deviation of 1.Want to…

Q: Assume that adults have IQ scores that are normally distributed with μ=38 and a standard deviation…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

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Q: A given distribution has a population mean, μ, of 111 and a population standard deviation, σ, of 11.…

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Q: In a​ country, the mean time served by prisoners released from prison for the first time is 31.5…

A: Mean time = 31.5Standard deviation = 16.3

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Let Z-score are normally distributed with mean = 0 and standard deviation = 2 Then,  We will find…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A:

Q: Suppose a dishwasher has a mean life of 12 years with an estimated standard deviation of 1.11 years.…

A: given data normal distributionμ = 12σ = 1.11n= 10

Q: The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70…

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Q: Assume that X is normally distributed with unknown mean μ and standard deviation equals. 0.15. Given…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Given information: It was stated to assume that Z scores are normally distributed. Mean =0 and…

Q: Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. Suppose for…

A: as per given information :  x = red blood cell (RBC) count in millions per cubic millimeter of whole…

Q: A given distribution has a population mean, μ, of 146 and a population standard deviation, σ, of 7.…

A: It is known that, The standard normal distribution is a special case of normal distribution, in…

Q: The length of human pregnancies from conception to birth follows a Normal distribution with a mean…

A: Given that  μ=266,σ=16 X~Normal(μ=266,σ=16)

Q: 13 Let X be the number of showers (baths) taken by high school students per week. The pdf of X is…

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Q: Given a population distributed normally  with a mean of 81 and a standard deviation of 20, find x…

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Q: If x is normally distributed with a mean of 6 and a standard deviation of 4, find P(x>8) a. 0.1915…

A: If x is normally distributed with a mean of 6 and a stnadard deviation of 4, find Px>8 Answer: b.…

Q: In determining automobile mileage ratings, it was found that the mpg (X) for a certain model is…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: A given distribution has a population mean, μ, of 113 and a population standard deviation, σ, of 8.…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Sketch the normal curve and shade the area of 0.1606 to the left of "e" under the normal curve.…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Given,P(-0.7<Z<b)=0.7019

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Z-Score: It is a dimensionless quantity that is used to indicate the signed, fractional, number of…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1.If…

A: From the given information, Assume that z-scores are normally distributed with a mean of 0 and a…

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

A:

Q: A distribution of exam scores has a mean of μ=80. If your score is X = 74, which standard deviation…

A:

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: GivenMean(μ)=0standard deviation(σ)=1

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A:

Q: Porter averages 21 points per basketball game with a standard deviation of 4.5 points. Suppose…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: The given mean is 0 and standard deviation is 1.

Q: The diameter X in inches of a certain brand of tennis balls has normal distribution with mean μ =…

A: Given:  X ~ N(μ = 2.65,  σ 2= .0182)   Part a: Since acceptable balls have diameters between 2.62…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Given,P(-b<Z<b)=0.1904

Q: If the normal length of eels is between 39 cm and 54 cm, what percentage of eels fall within this…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 42 and…

Q: If P(−b<z<b)=0.98P(-b<z<b)=0.98, find b.

A: Given that Z ~ N(0, 1) And P(-b &lt; Z &lt; b) = 0.98