(Answered) There are 2 white balls and 8 red balls in an urn consider

Statistics

There are 2 white balls and 8 red balls in an urn. Consider selecting one ball at a time from the urn. What is the probability that the first ball is red and the second ball is also red? Express the probability in fraction format. (Show all work. Just the answer, without supporting work, will receive no credit.)

(a) Assuming the ball selection is with replacement.

(b) Assuming the ball selection is without replacement.

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