21 A game is played using a barrel containing twenty similar balls numbered 1 to 20. The game consists of drawing four balls, without replacement, from the twenty balls in the barrel. Thus the probability that any particular number is drawn in any game is 0.2. a Find as a decimal the probability that the number 19 is drawn in exactly two of the next five games played. b Find as a decimal the probability that the number 19 is drawn in at least two of the next five games played.

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21 A game is played using a barrel containing twenty similar balls numbered 1 to 20. The game consists of
drawing four balls, without replacement, from the twenty balls in the barrel. Thus the probability that
any particular number is drawn in any game is 0.2.
a Find as a decimal the probability that the number 19 is drawn in exactly two of the next five games
played.
b Find as a decimal the probability that the number 19 is drawn in at least two of the next five games
played.
Transcribed Image Text:21 A game is played using a barrel containing twenty similar balls numbered 1 to 20. The game consists of drawing four balls, without replacement, from the twenty balls in the barrel. Thus the probability that any particular number is drawn in any game is 0.2. a Find as a decimal the probability that the number 19 is drawn in exactly two of the next five games played. b Find as a decimal the probability that the number 19 is drawn in at least two of the next five games played.
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