Suppose X is a binomial random variable with n = 5 and p = 0.5. a. Display?(?) in tabular form. b. Compute the mean and the variance of x.

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Q: Given that Z is a standard normal random variable, P(-1≤Z≤1.5) is?

A: Using the excel following standard normal probabilities can be obtained as:

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Q: Given the normally distributed random variable x with μ =25 and P(x ≤ 10) = .0778, find σ.

A: Given,mean(μ)=25P(X≤10)=0.0778

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Q: For an analysis of variance comparing six treatment means with a separate sample of n = 7…

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A: Draw the normal curve.

Q: able Z follows a standard distribution, find p(-1.2<Z<1.2)

A: USe standard nomla table to find the rporbabiloities corresponding to the given z values.

Q: Let X be a binomial random variable with n=7 and p=0.1, then The variance of X is 0.63 P(X>1)=…

A: Given: n=7 and p=0.1 Then, the variance isVariance=np1-p=70.11-0.1=70.10.9=0.63

Q: If xx is a binomial random variable, compute the mean, the standard deviation, and the variance for…

A: a)  n=5,p=0.5μ=n*p=5*0.5=2.5σ2=n*p*(1-p)=5*0.5*0.5=1.25σ=1.25=1.118

Q: Suppose X is a binomial random variable that models the number of successes in n trials, where each…

A: Suppose X is a binomial random variable that models the number of successes in n trials, where each…

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Q: 27. If X is a Normal random variable with mean µ and variance o, the standardized Normal random…

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Q: f x is a binomial random variable with n = 10 and p = 0.8, the mean value of x is _____. 8 3.2 4.8…

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Q: Assume that you have a random variable X which is binomially distributed, and someone told you that…

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A: From the provided information, x -5 0 25 P (x) 0.20 0.30 0.10

Q: Let x be a binomial random variable with n = 20 and p = 42 / 100. Calculate the mean, variance and…

A: According to the provided information, n=20 p=42/100 = 0.42

Q: For a standard normal random variable Z, what is the value of k such that P(Z>k)=0.8790?

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Q: 2. Find the variance and the standard deviation of the probability distribution of the random…

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Q: b) Suppose that 10% of the values of a normally distributed random variable X are below 50, and 5%…

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Q: Let X be a random variable with X -3 and oz = 5. Find the mean and the variance of Y = -2X -3

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