The number X of days in the summer months that a construction crew cannot work because of the weather has the probability distribution: | 7 | 9 12 |6 |{(x) 8 10 13 14 0.03 0.08 0.2 0.19 0.15 0.16 0.1 0.07 0.02 The mean and standard deviation of X are respectively: 9.74 and 1.8954 9.7 and 1.9 None of the other options 9.79 and 1.8617

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A: Solution

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A:

Q: The probability distribution for the random variable x follows. f(x) 20 0.30 25 0.05 30 0.25 35 0.40…

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Q: The average student loan debt for college graduates is $25,350. Suppose that that distribution is…

A: a) The mean is 25350 and the standard deviation is 14150.

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A:

Q: The average student loan debt for college graduates is $25,600. Suppose that that distribution is…

A: given: mean = 25600 standard deviation = 13450

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A:

Q: 7. People who have been in contact with a carrier of a disease, have a chance of contracting the…

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Q: 7. A TV repairer estimates the probabilities for the number of hours required to complete some job…

A: List of formulae : Expected value : E(X) =μ= ∑xP(x) Standard deviation : SD(X) = ∑(x-μ)2P(x)

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Q: The weight, X grams of soup filled in a tin by machine RST is normally distributed with a mean of…

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A: Given: Population mean μ=0.5 Population standard deviation σ=0.7 x=Number of moths trapped

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A: Given Mean μ=13, Population standard deviations σ=2.4

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A: According to the provided information, μ=4.82σ=1.85n=100

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A:

Q: he average salary for bank managers in a certain city is $91,900 pesos per hour with a standard…

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Q: Five males with an X-linked genetic disorder have one child each. The random variable x is the…

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Q: A person's level of blood glucose and diabetes are closely related. Let x be a random variable…

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A: Given,sample size (n)=49mean(μ)=3420standard deviation(σ)=495

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Q: A probability distribution has a mean of 15 and a standard deviation of 3. Use Chebychev's…

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Q: 4) Let X be the mean of a random sample, (X1, ..., X50), of size 50 drawn from a normally…

A: As per our guidelines we are suppose to do onlyone question  Givenmean(μ)=112standard…

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A: As per our guidelines we are suppose to answer only one question. Given,n=8p=0.6q=1-0.6=0.4A random…

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A: Given mu=500, sigma=sd=50, n=600 note: According to Bartleby Expert guideline, we can answer only…

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A: From the given information we find the probability.

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Q: Assume that farmers' productivity is normally distributed. Farmer-1 produces an average of 85 units…

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Q: The average weekly income of a supervisor on duty in the glass industry has a normal distribution,…

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Q: Let X denote the waiting time (in minutes) for a customer. An assistant manager claims that u, the…

A: Given, Population mean = μ = 2Standard deviation = σ = 2Sample size = n = 100Sample mean = x = 2.2…

Q: The average student loan debt for college graduates is $25,600. Suppose that that distribution is…

A: Given: μ=25600σ=13450

Q: The average student loan debt for college graduates is $25,300. Suppose that that distribution is…

A: Given Data Population Mean,μ = 25300.0 Population Standard Deviation,σ = 11550.0

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Q: 3) The mean weight of 500 male students at a certain college is 152 lb. And the standard deviation…

A: Given that μ=152σ=15 There are 500 male students. The probability that the weight between 120 and…

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Q: 1. Xavier has a batting average of 0.320, which means that he hits the ball 32% of the time he is at…

A: We have given that the probability to hit the ball is p = 32% = 0.32. The sample size n = 7 and the…