Let Z be a random variable with the standard normal distribution. Find P(-1.35 ≤ Z≤ 2.15) P(0.55 ≤Z≤ 1.25) P(-1.79 ≤Z≤ -0.54)

Q: Let X represent a binomial random variable with n = 170 p = 0.21. Round your final answers to 4…

A: From the information, given thatLet X denotes the binomial random variable with the probability of…

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

A: Given that, Mean = 84 Standard deviation = 5

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

A: From the given information, Mean =50 and standard deviation =7.

Q: Assume that the random variable X is normally distributed, with mean of 90 and standard deviation of…

A: 1] Mean =90 standard deviation =16 2] mean =116 standard deviation =20

Q: Let x be a random variable that represents checkout time (time spent in the actual checkout process)…

A: Solution : The complete solution is given below in the attachment file.

Q: Assume a continuous random variable X has a continuous uniform distribution between 35 and 48. Find…

A: given data  x is uniform distribution between 35 and 48 P(38<x<50) = ?

Q: Assume that the random variable X is normally​ distributed, with mean μ=45 and standard deviation…

A:

Q: Let y be a random variable having a normal distribution with a mean equal to 50 and a standard…

A: Let "y" be a random variable having a normal distribution.

Q: Let x be a random variable that represents the level of glucose in the blood (milligrams per…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Use a normal approximation to find the probability of the indicated number of voters. In this​ case,…

A:

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

A: The random variable X follows normal distribution. The population mean is 82. The population…

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

A: Given Mean=50 Standard deviation=7

Q: He's a normal approximation to find the probability of the indicate a number of voters in this case…

A:

Q: Suppose that X is a continuous random variable with a Gamma distribution, that the Expected Value of…

A: It is given that X is a continuous random variable with a gamma distribution, with Expected value…

Q: Assume the random variable x is normally distributed with mean u = 85 and standard deviation o = 5.…

A: Given: μ=85σ=5 The z-score is given by, z=X-μσ

Q: ssume that the random variable X is normally distributed, with mean r=60   and standard deviation…

A: The z-score corresponding to x =80 will be:

Q: 8. For a normal distribution with u = 138.2 and o = 10.3, find the probability o a) P(x > 140) = b)…

A: Let X be the random variable from normal distribution with mean (μ) = 138.2 and standard deviation…

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

A:

Q: The random variable X has a uniform distribution: X ~ Uniform(1.5, 4.5). Find the following:  (a)…

A: Given,A random variable X~U(1.5 , 4.5)f(x)=14.5-1.5f(x)=13   ;  1.5≤X≤4.5

Q: Assume the random variable x is normally distributed with mean µ = 88 and standard deviation o = 4.…

A: Mean = 88Standard deviation = 4

Q: Assume the random variable x is normally distributed with mean u= 82 and standard deviation o = 5.…

A:

Q: Assume that the random variable x is normally distributed , with mean u=90 and standard deviation…

A: Given data,μ=90σ=12P(57<X<105)=?

Q: Let x be a continuous random variable with a standard normal distribution. a) Using the accompanying…

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

Q: Let X be a random variable that follows a Poisson(7) distribution. Give a lower bound for P(|X - µ|…

A: Given that X ~ Poisson (7) Mean = µ = 7 Variance = σ2 = 7

Q: Let X be a random variable distributed as Normal (5,9). Find the probabilities of the following…

A: Givenx be a random variable x~Normal(5,9)Mean(μ)=5variance(σ2)=9standard deviation(σ)=9=3

Q: The cumulative distribution function of the continuous random variable X is given by: Image.…

A:

Q: Let the random variable X follows binomial distribution with parameters 14 and 5/12. Find P(X…

A: It is given that X follows a binomial distribution with n=14 and p=5/12. The PMF of the binomial…

Q: Let x be a random variable that represents the level of glucose in the blood (milligrams per…

A: population mean  standard deviation

Q: For a continuous random variable X, P(25 ≤ X ≤ 73) = 0.28 and P(X > 73) = 0.12. Calculate the…

A: Given: (25 ≤ X ≤ 73) = 0.28 P(X > 73) = 0.12

Q: Assume the random variable x is normally distributed with mean p= 89 and standard deviation o = 5.…

A: