How likely are you to get both christmas presents

Reference no: EM133301011

Assignment:

You have wished for two Christmas presents, J1 and J2. The probability that you will receive J1 is 0.8. The probability that you get J2 is 0.2 if you get J1. The probability of getting J2 is 0.3 if you don't get J1. Answer with at least three decimal places and use a comma as a decimal separator in Moodle.

A. Enter P(J1 or J2)

B. Enter P(not getting J2 given not getting J1)

C. Enter P(getting J2)?

D. What is the probability that you miss both Christmas presents?

E. What is the probability that you will receive one (and only one) of the Christmas presents?

F. How likely are you to get both Christmas presents? X is a random variable and let X= number of Christmas presents you get.

G. Enter E(X)

H. Enter SD(X).

Reference no: EM133301011

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