Question: Need help In the notation below, X is the random variable, c is a constant, and V refers to the variance. Which of the following
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In the notation below, X is the random variable, c is a constant, and V refers to the variance. Which of the following laws of variance is not true? None of these choices. O V( x + c ) = Vin + c vion = 2 vix O VIC) = 0 QUESTION 43 2. Stock A has a Variance of 41.2 and Stock B has a Variance of 81.5. If the Covariance of X and Y is 124.9, what will the Standard Deviation of (X + Y) be? QUESTION 44 In a management trainee program which consists of males and females, 83% of the trainees are female. 80% of the females have a college degree. However, among male trainees, only 56% have finished college. A management trainee is selected at random. What is the probability that the person selected is a male who has a college degree?QUESTION 36 OBBG Support group is curious about how many gifts a typical wife receives from her husband in a year. It did a quick survey the result of which is shown in the table below: # Wives # Gifts received 63 41 2 39 55:13 23 What is the average number of gifts a wife receives in a year based on this survey?QUESTION 39 From the deck of playing cards, what is P(Q U K | Face card)? (Note: K, Q, ] are face cards). QUESTION 40 From the deck of a playing card, what is the P(Q U K U Hearts)? QUESTION 41 In the notation below, X is the random variable, c is a constant, and V refers to the variance. Which of the following laws of variance is not true? VICK = 2 vin None of these choices. O V(c) = 0QUESTION 45 In a management trainee program which consists of males and females, 75% of the trainees are female. 84% of the females have a college degree. However, among male trainees, only 42% have a college degree. A management trainee is selected at random. What is the probability that the person selected is a female who did NOT finish college? QUESTION 46 In a management trainee program which consists of males and females, 81% of the trainees are female. 74% of the females have a college degree. However, among male trainees, only 59% have finished college. A management trainee is selected at random. If the trainee has a college degree, what is the probability that the trainee is a female
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