A Normal distribution has a mean of 160 and a standard deviation of 10. Find P(X < 170) Select one: O a. 0.3413 O b. 0.8413 O C. 0.187 O d. 1

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: The population of IQ scores forms a normal distribution with a mean of μ= 100 and a standard…

A:

Q: et X, has a normal distribution with a mean of 100 and a standard deviation of 4. the z value for X…

A: Given,μ=100σ=4x=80z=?

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A:

Q: The IQ of randomly selected individuals is often assumed to follow a normal distribution with the…

A: The objective of this question is to find the probability of certain IQ scores given a normal…

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

A:

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 the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Obtain the value of C such that reading of this thermometer at freezing separates the highest 7.16%…

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

A:

Q: A Cl estimate is designed for the gain in the circuit on a device. Assume that gain is a normal…

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Q: Suppose random variable X has a normal distribution with a mean of 98.2 and the standard deviation…

A: According to the given information, we have Mean = 98.2 Standard deviation = 3.2

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: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: The mean of the binomial distribution can be calculated as: Mean μ=n⋅p=(80)⋅(0.30)=24

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

A: # z be the standard normal variates with mean 0 and standard deviations 1  To find value of b such…

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: X has normal distribution with mean D a. 0.0228 O b. 0.4772 O c. -0.33 O d. 0.9772

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Q: A given distribution has a population mean, μ, of 125 and a population standard deviation, σ, of 14.…

A:

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

A: The z-scores are normally distributed with mean 0 and standard deviation 1 Given , P( 0 &lt; z &lt;…

Q: Let X has a normal distribution with a mean of 120 and a standard deviation of 20. The z value…

A:

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

A: Given is a standard normal distribution where the cumulative distribution for all z between -b and b…

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&gt;8 Answer: b.…

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

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

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

A: Given Data: z follows the normal distribution Mean=0 SD=1

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

A: Given,P(z&lt;e)=0.0516

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: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given data mean=69.0 inches standard deviation=2.8 inches x=79.7 inches

Q: test scores are normally distributed with a mean of 0 and a standard deviation of 1. In each case,…

A: It is an important part of statistics. It is widely used.

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: Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x…

A: The formula of the Z-score is,Where, X denotes the raw data point,µ denotes the population mean,σ…

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

A: Given,mean(μ)=0standard deviation(σ)=1

Q: The mean 1Q score of adults is 90, with a standard deviation of 10. Use the Empirical Rule to find…

A: Given data: Mean =  90 Standard deviation = 10 To find: By using the Empirical Rule to find the…

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

A: P(-b&lt;Z&lt;b)=0.9706

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

A:

Q: A normal distribution has a population mean of u=75 and a standard deviation of o=9. What is the…

A:

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

Q: A normal distribution has a population mean of p=75 and a standard deviation of o=9. What is the…

A:

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

A:

Q: An unknown distribution has a mean 12 and a standard deviation of one. A sample size of 25 is taken.…

A: Given: Meanμ=12 Standard Deviationσ=1 Sample Sizen=25

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

A: The normal distribution is the most useful theoretical distribution for continuous variable. For the…

Q: A normal distribution has a population mean of u=75 and a standard deviation of o=D9. What is the…

A: Given that  X~N(μ= 75 , σ= 9 ) μ= 75 , σ= 9

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

A: Solution