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ten balls of identical size are in a bag. Two of the balls are red and the rest are blue. Balls are picked out at
ten balls of identical size are in a bag. Two of the balls are red and the rest are blue. Balls are picked out at random from the bag and are not replaced.
Let R be the number of balls drawn out, up to and including the first red one.
a. List the possible values of R and their associated probabilities.
b. Calculate the mean value of R.
c. What is the most likely value of R?
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