Evaluate 25-[9+a] if a =12
2 answers:
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Answer:
Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket = 0.041667
Step-by-step explanation:
Probability is of the ratio of number of favorable outcomes to the total number of outcomes.
Here outcome is drawing 4 balls from a 8 ball bucket.
Favorable outcome is randomly drawing four balls numbered 1, 4, 8, and 6.
Total number of ways in which 4 balls from a 8 ball bucket can be drawn is given by 8 x 7 x 6 x 5 = 1680.
Total number of ways in which drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket is given by 8C₄
Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket is given by
Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket = 0.041667