random Let X be a binomial variable with mean 1 and variance 3. The probability that X takes the 4 value of 3 is:

Q: Let X be a random variable with the probability density function Find (i) Value of a f(x): x) = {…

A:

Q: Q3: Let X have the poisson distribution with parameter m, such that P(X = c + 1) = f(c)P(X = c).…

A:

Q: 10. Consider a random sample from some distribution that depends on the parameter 0 > 0. The…

A:

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

A: Solution

Q: 1 The following is a probability distribution for the number of Mexican-American jurors, X, on a 12…

A: a) P(X=6)=0.226 b) P(X≥5)=0.806 c) P(X<7)=0.613Explanation:

Q: Lower blood pressure: Five individuals with high blood pressure were given a new drug that was…

A: Before<-c(170,  164,  168,  158,  183)After<-c(145,  132,  129,  135,  145)

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A: Group 1Group 2EducationHigh SchoolBA or higherSample size361169Mean$19500$20500St.dev$3800$3900

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A: From the provided information,

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A: Given,P(E) = 0.3P(F) = 0.5Event E and event F are independent.

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A: X and Y are not independentConditional Probability = 1/3Explanation:Step 1: Step 2: Step 3: Step 4:

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A: p value is less than 0.05Explanation:

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A: Conclusion:The calculated t-statistic (-3.10) is less than the negative of the critical t-value…

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A: X~Exp(μ=42.5)The probability density function of X isf(x)=    ;x&gt;0

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Q: I needed help with the questions I got wrong (marked by the red "X").

A: b) Probability=0.8415 c)σp̄=0.0189 d) Probability=0.9660 e)The probability of the sample proportion…

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A: Given ,1.2 kgStandard deviation, 5.7 kg

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Q: 1. If "C, = "C8, find "C₁7. 17

A:

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Q: The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000…

A: Part (a) n = 300.4448.n = 500.5528.n = 1000.7198.n = 4000.9692.  Part (b)A larger sample increases…

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A: Mean()=197.5standard deviation()=8.9

Q: Conduct a t-test at the .01 level. You are interested in the income of American adults. In your…

A: Since the absolute value of the t-test statistic falls within the acceptance region of [−2.6, 2.6]…