Given a normal distribution with mean = 100 and standard deviation = 10, what is the probability that X< 80 or X> 110?

Q: If a distribution is normal, then it is not possible to randomly select a value that is more than 4…

A: Given : We have given normal distribution .

Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A: GivenMean(μ) = 100standard deviation(σ) = 13

Q: Suppose that the annual rainfall in Ferndale, California, is known to be normally distributed, with…

A: Given, Mean, μ = 35.5 Standard deviation, σ = 2.5 We have to find the probability that the rainfall…

Q: The mean of a normal probability distribution is 120 the standard deviation is 10. About what…

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Q: In a normal distribution with a mean of 72 and a standard deviation of 12 what is the probability…

A: Given,mean(μ)=72standard deviation(σ)=12

Q: If the mean is zero and the standard deviation is one in a normal distribution, what type of normal…

A: We know that if the normal distribution has 2 parameters as mean, μ and standard deviation, σ, where…

Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: What proportion of a normal distribution is located between z= -2.00 and z = 2.00?

A: Draw the normal curve and shade the area between z=-2.00 and z=-2.00.

Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

Q: A local sports magazine reports the mean length of a baseball game to be 175.9 minutes with a…

A:

Q: For normal distribution with a mean of 278 and a standard deviation of 25, what is the Z value for a…

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Q: If a normal distribution has a Mean of 26 and a Standard Deviation of 3.1. Find the probability of a…

A: The normal distribution: A continuous random variable X is said to follow normal distribution with…

Q: If a distribution is normal with mean 10 and standard deviation 2, then the median is also 10. True…

A:

Q: If a distribution is normal with μ = 10 and σ = 5, what is the z score of 20?

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Q: Based on historical data, it is reasonable to assume that the number of points that students receive…

A:

Q: If the mean of the normal distribution is 52 and the standard deviation is 72, what is the…

A: Let X denote the Normal distribution. It is given that mean = 52 and SD = 72, then Z = (X - mean)/SD…

Q: Suppose the random variable xx has a normal distribution with μ=300μ=300 and σ=30σ=30. Find the…

A: Given: μ=300, σ=30.

Q: If you were to use the normal approximation for the binomial distribution with probability of…

A: From the provided information, The probability of success = p Number of trials = n

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…

A: given data normal distribution population mean  = 600 population sd = 20

Q: With a standard normal distribution, +/-1 standard deviation from the mean include what percent of…

A: According to the provided information, with a standard normal distribution, ±1 standard deviation…

Q: Suppose that y is a random variable having a normal distribution with a mean equal to 250 and a…

A: Solution: It is given that the random variable y follows the normal distribution with mean and…

Q: In a normal distribution, mean is 60 and standard deviation is 5. How many of the cases have scores…

A: The probability between two specific numbers a and b in a normal distribution with mean μ and…

Q: Assuming a normal distribution, if the mean for customer satisfaction ratings are 5.9 and the…

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Q: Given a normal distribution with μ=45 and σ=5​   For this​ distribution, 9​% of the values are…

A:

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: We have to find given probability..

Q: A normal distribution has a mean 80 and standard deviation is 10. What is the probability of…

A: Given:    µ = 80     σ = 10

Q: For a population mean of 35, a sample was taken with a mean value of 40 and sample size equal to 30.…

A: Given data,μ=35σ=20x=40n=30P(X&gt;40)=?

Q: If X is normally distributed with mean 10 and standard deviation 2, what is the probability that X…

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Q: Aaliyah is 74 years old. Based on a normal distribution with mean 47.8 and standard deviation 12.6,…

A: GivenAaliyah is 74 years oldx=74Mean(μ)=47.8standard deviation(σ)=12.6

Q: If a distribution is normal with a mean 12 and a standard deviation 3, then the median is also 12.…

A: Normally distribution is a continuous probability distribution. In normal distribution curve is a…

Q: Given a standard normal distribution (with a mean of 0 and a standard deviation of 1) what is the…

A:

Q: If a distribution is normal with mean 11 and standard deviation 4, then the median is also 11. O…

A: Given that, the distribution is normal with mean 11 and standard deviation 4.

Q: what is the mean and standard deviation of all z distributions?

A: Z is distributed as a standard normal variable.

Q: For a normal distribution with mean=500 and standard deviation=100, what X value separates the…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

Q: Based on historical data, it is reasonable to assume that the number of points that students receive…

A:

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

Q: Suppose x is a value in a normal distribution, with a mean of 12, and standard deviation of 4, What…

A: Given: x=4μ=12σ=4 The z score of x=4 is obtained as follows: Z=x-μσ=4-124=-84=-2 Thus, the z-score…

Q: If 200 scores a taken at random from a normal distribution with mean 70 and standard deviation 5,…

A: From the given information,  the value of mean is 70, standard deviation is 5 and sample size (n) is…

Q: iven a normal distribution (X) with mean = 100 and standard deviation () = 10, what is the…

A: Given data,μ=100σ=10P(X&gt;101)=?

Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A: Given,mean(μ)=100Standard deviation(σ)=11

Q: In a t distribution with 10 degrees of freedom, what is the probability of getting a value within…

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Q: If a normal distribution has a mean of 10 and a standard deviation of 2, then what is the likelihood…

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Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A:

Q: If a distribution is normal with mean 10 and standard deviation 3, then the mode is also 10. True O…

A: Given data Normal distribution with mean = 10 Sd= 3 Then the mode will also 10 We have to identify…

Q: Given a standardized normal distribution (with a mean of 0 and a standardized deviation of 1) what…

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Q: Suppose we have a normal distribution N(2, 4), using the Empirical rule, what proportion of data is…

A: Givenwe have a normal distribution N(2,4)Mean(μ)=2variance(σ2)=4standard deviation(σ)=4=2

Q: In a normal distribution with a mean of 72 and a standard deviation of 12, what percentage of cases…

A: GivenMean(μ)=72standard deviation(σ)=12

Q: You have a normal distribution with mean =54 and standard deviation =7. What is the probability of…

A:

Q: In a standard normal distribution 95% of the data is within +/- _______standard deviations of the…

A: In a standard normal distribution 95% of the data is within +/- _______standard deviations of the…

Q: The high temperature xx (in degrees Fahrenheit) on January days in Columbus, Ohio, varies according…

A: Given Mean=19 Standard deviations=7