Page No. Date The probability distribution of a rendom variable X is given below. X = x P/X=x) -1 -5 2 C ਧ 3 c 1 5 2c/3c :) Explain why c = 0.10 i1) Calculate the expected value of X and also, determine the medion of X, free fake briefly explaining the answer's resoning, ;;;) Calculate P places P ( 1x | < + | X = -1) to four deumnal

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Q: Out of 600 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the…

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Q: 20 11 1.995 2.244 7001.3160 22000371.381 1601.340 22210 117 1.379 490 18 1.992 Highest year of…

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A: Given: P = 0.80 n = 100 Formula used: Z = p^-PP(1-P)n

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A: From the information, x=10, n=500 and p=0.017.

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A: Given: n = 10 Formula Used: Confidence Inerval = X ± t*sn

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A: Solution:  We will discuss about the properties of  t distribution.

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A: given data, x¯=28n=42σ=4CI=0.95α=1-0.95=0.05here σ is unknown so we use z - distribution