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1)Four friends belong to a 10-member club. Two members of the club will be chosen to attend a conference. What is the probability that two

1)Four friends belong to a 10-member club. Two members of the club will be chosen to attend a conference. What is the probability that two of the four friends will be selected?

2)A discreterandom variablehas the followingprobability distribution:

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X -1 0 - 4 P(x) 0.2 0.5 k 0.1 a. Find the value of k. b. Find P(X > 0). c. Find P(X 2 0). d. Find P(X

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