. Suppose that the joint p.m.f of X and Y is modeled as fx (x, y) = s(x + y), x = 1, 2, 3 and y =1, 2, 3 Determine the value of c. . Determine the marginal p.m.f. of X. Find also the mean and variance of X.
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kindly help me with this problem in JOINT PROBABILITY DISTRIBUTION
follow this formath Given; Required; & Solution thank you!
ANSWER ONLY 1 AND 2
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- Please help me do part C, D and E. Question E is … Part E: You could use your calculator instead of the formula to find the probability of rolling a 4 exactly 3 times out of 10 rolls of a number cube. There is a command or function on your calculator called the binompdf function, which stands for "binomial probability distribution function." What would you enter in your calculator to find the above probability? Have a great day!Solve the attached please, thanksThe graph of the discrete probability to the right represents the number of live births by a mother 43 to 47 years old who had a live birth in 2015. Question content area bottom Part 1 What is the probability that a randomly selected 43- to 47-year-old mother who had a live birth in 2015has had her fourth live birth in that year? enter your response here (Type an integer or a decimal.) Part 2 What is the probability that a randomly selected 43- to 47-year-old mother who had a live birth in 2015 has had her fourth or fifth live birth in that year? enter your response here (Type an integer or a decimal.) Part 3 What is the probability that a randomly selected 43- to 47-year-old mother who had a live birth in 2015 has had her sixth or more live birth in that year? enter your response here (Type an integer or a decimal.) If a 43- to 47-year-old mother who had a live birth in 2015 is randomly selected, how many live births would you expect the…
- 2 If the probability of an event E is (Simplify your answer.) then the probability that E will not occur is 3'Please show all work when answering this question. This is an ungraded question that is used for review so please help. This question refers to probabilityWhat is the probability you will roll a double (two 1 ’s, two 2 ’s, two 3 ’s, and so on)? Your answer may be short but you must show what numbers you multiplied/divided/added/subtracted by to get your final answer. It would be written in ” P(E) = ” form.