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Question: 1302 4g qqdocx find the probability of defective product selected...

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13:02 4G qq.docx Find the probability of defective product selected. 2 the probability of the defective product is produced by workshop A 2. (5) The probability distribution of the random variable is 210 23 Prx) 0.1 02 0.25 02 0.15 0.1 Determine the cumulative function of (2) the probability distribution of the random variable 3. (10) Let the density function of random variable be Find the expected value and the variance of 4. 10 A random variable X has a normal distribution N a, and EX 3, DX - 1, Find ( Ф(1)-0.84 13, ф(2)-0.9772. Ф(3) . 0.99865.0 4)-0.99968 ) (10) Let the density function of random variable be 5. sa and Find the parameters a, b and the expectation value of 6. 10) Assume the density function of population be whereθ>0, are the observation values of a random sample. Determine the estimation value of maximum likelihood for parameter θ. 1. There are 3 top quality goods, 5 second and 2 third quality goods among 10 goods. Choose 4 goods from them randomly, let X and Y be the
Find the probability of defective product selected. produced by workshop A 2. (15) The probability distribution of the random 2 the probability of the defective product is variable is 2 0 Px) 0.1 0.2 0.25 02 0.15 0.1 23 Determine the cumulative function of (2) the probability distribution of the random variable 3. (10) Let the density function of random variable be Find the expected value and the variance of 4 10) A random variable X has a normal distribution N(n ơ. , and EX 3, DX 1, Find 5. (10) Let the density function of random variable be 0 and s, Find the parameters a, b and the expectation value of 6. (10) Assume the density function of population be o .o.w where0>0, are the observation values of a random sample. Determine the estimation value of maximum likelihood for parameter 1. There are 3 top quality goods , 5 second and 2 third quality goods among 10 goods. Choose 4 goods from them randomly, let X and Y be the number of top quality goods and the second quality goods that are selected, respectively Determine (1) the joint probability distribution of (X, Y) (2) the marginal distribution of X and Y
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