7. If the 3rd term of an arithmetic progression is 4 and the 9th term is -14, solve for the common difference. O-1 O 0

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Q: 31) The probability that a Poisson variate X takes a positive value is 1 - e-1.5. Find the variance…

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Q: flipped. If it shows heads, you draw a marble from shows tails, you draw a marble from urn B with 3…

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A: Given,n=5p=0.61q=1-0.61=0.39A random variable X~Binomial(n=5 , p=0.61)P(X=x)=Cx5 0.61x0.395-x  ;…

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Q: Ex. 4. The mean and standard deviation of the marks obtained by 1000 students in an examination are…

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Q: 7. P(Z < ) = 0.1029

A: According to policy we supposed to answer first part for remaining please repost  the question

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Q: Flip a fair coin 5 times. Let random variable x= number of heads, what is  P(x=1)

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Q: 5. If the moment generating function of X is e500+ 5000r², find P 27,060 ≤(X-500)² ≤50,240 ,240].

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Q: The following table shows crashworthiness ratings for 16 cars. (3 = Good, 2 = Acceptable, 1 =…

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