Assume the random variable x is normally distributed with mean μ=89 and standard deviation σ=5. Find the indicated probability. P(x<78)

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

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Q: Consider a normally distribr deviation of 10. Find P(90<

A: mean =85 standard deviation =10 to find P(90&lt;X&lt;100)

Q: The 87th percentile is (Round to two decimal places as needed.)

A: It is given that  Mean, μ = 50 Standard deviation, σ = 7

Q: Assume the random variable x is normally distributed with mean = 90 and standard deviation a = 4.…

A: Assume the random variable x is normally distributed with mean = 90 and standard deviation a = 4.…

Q: A random variable x is normally distributed with a mean u = 213 and a standard deviation o = 8. Find…

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Q: Assume the random variable X is normally distributed with mean μ = 50 and standard deviation o = 7.…

A: Suppose the variable of interest is X.

Q: Porphyria is a pigment in blood protoplasm and other body fluids that is significant in body energy…

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Q: What is the calculator command used to find the probability of a continuous Normal random variable…

A: The Normal distribution is a continuous probability distribution that is symmetrical on both sides…

Q: Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=4. Find…

A: Given the random variable x is normally distributed with mean μ = 82 and standard deviation σ =…

Q: Assume that the random variable X is normally distributed with mean = 62.6 and standard deviation =…

A: Given:- X is normally distributed. mean μ = 62.6 standard deviation = 2.88n = 25 we have to find…

Q: Assume the random variable x is normally distributed with mean μ=86 and standard deviation σ=5. Find…

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Q: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find…

A: It is given that, the random variable x is normally distributed with mean μ=81 and standard…

Q: Assume the random variable x is normally distributed with mean μ=88 and standard deviation σ=5. Find…

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Q: ume that the random variable X is normally distributed with mean u=70 and standard deviation 9. Find…

A: Given data,Mean μ=70sd    σ=9Find the 40th percentile for X

Q: Assume the random variable x is normally distributed with mean u= 80 and standard deviation o = 5.…

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Q: Assume the random variable x is normally distributed with mean μ=86 and standard deviation σ=5. Find…

A: The following information is provided in the question X~Normal86, 52

Q: A random variable  is normally distributed with mean 10 and standard deviation of 2.    What is…

A: Normal distribution is a continuous distribution which has many real life applications. The normal…

Q: A variable X follows a normal distribution with mean 1.5 and standard deviation 2. Calculate the…

A: GivenA variable X~Normal(1.5,2)Mean(μ)=1.5standard deviation(σ)=2

Q: The standard deviation of a normally distributed X random variable is 1.75. The probability that X…

A: As given,  The standard deviation of X is 1.75. That is, σ = 1.75 The probability that X is between…

Q: Assume that the random variable X is normally distributed, with mean u = 70 and standard deviation o…

A: The random variable X is normally distributed. The population mean is 70. The population standard…

Q: Assume the random variable X is normally​ distributed, with mean μ=59 and standard deviation σ=9.…

A: Solution: From the given information, X follows normal distribution with mean µ=59 and a standard…

Q: Assume the random variable x is normally distributed with mean=84 and standard deviation=4. Find the…

A: Given that, Mean = 84 Standard deviation = 4

Q: Assume that the random variable X is normally distributed with mean = 55.4 and standard deviation =…

A: It is given that the mean 55.4, the standard deviation is 9.2 and the sample size is 64.

Q: Assume the random variable x is normally distributed with mean u=80 and standard deviation =5. Find…

A: Given that: X is normal Distributed with mean µ = 80.0 and standard deviation σ = 5.0 now will using…

Q: Determine the standard normal random variable (z) for P(X > 80) Suppose X be a normally distributed…

A: Solution-: Given: μ=65,σ=13 We want to find the standard normal random variable (z) for P(X &gt; 80)…

Q: A continuous random variable X is normally distributed with a mean of 56.3 and standard deviation of…

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Q: Assume that x has a normal distribution with mean =4 and standard deviation q=2. Find (3<x<6)

A: Given   x has a normal distribution  mean μ=4  standard deviation σ=2 Find p(3&lt;x&lt;6)=?

Q: Assume the random variable x is normally distributed with mean μ=84 and standard deviation σ=5.…

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Q: Assume the random variable x is normally distributed with mean μ=50 and standard deviation σ=7. Find…

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Q: Assume the random variable x is normally distributed with mean equals=84 and standard deviation…

A: z-score:A z-score is a standard score that describes the number of standard deviation away from its…

Q: Porosity measurements in several oil fields show a normal distribution with a mean of 5% and a…

A: Given that the mean of the distribution is = 5% and standard deviation=1%  So the sample mean= 5%…

Q: A normally distributed random variable X with variance o = 400 and P(X > 250) = 0.7425. Then the…

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Q: Estimate the indicated probability by using the normal distribution as an approximation to the…

A: Continuity Correction: The binomial and Poisson distributions are discrete random variables, whereas…

Q: The distance the tires can run until wear- out (X) is a normally distributed random variable with a…

A: Answer: From the given data, X : The distance the tires can run until wear- out X is normally…

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

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Q: Assume the random variable X is normally distributed with a mean = 50 and standard deviation of 0=…

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: Assume that ex has a normal distribution with a specify mean and standard deviation find the…

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Q: suppose a random variable X follows a binomial distribution with parameters n=70 and p=0.60.use the…

A: Given The data is as follows: X~Bn=70, p=0.60