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A box contains balls: 3 red, 4 blue, and 5 yellow. A ball is hen randomly picked. What is the probability that the ball picked is blue?

A box contains balls: 3 red, 4 blue, and 5 yellow. A ball is hen randomly picked. What is the probability that the ball picked is blue?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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What are the correct answer to the following questions (1,2,3)

Determine the probability of the indicated events. Answer with number, fraction (a/b) format, percent (with % sign), or decimal form (2 decimal places). A box contains balls: 3 red, 4 blue, and 5 yellow. A ball is then randomly picked. What is the probability that the ball picked is blue? A class is composed of 20 boys and 25 girls. If a pupil is called to recite, what is the probability that the one called is a girl? There are twenty balls in a box numbered 1 to 20. After mixing them thoroughly, one ball is randomly picked. Find the probability that its number is divisible by 5.
Transcribed Image Text:Determine the probability of the indicated events. Answer with number, fraction (a/b) format, percent (with % sign), or decimal form (2 decimal places). A box contains balls: 3 red, 4 blue, and 5 yellow. A ball is then randomly picked. What is the probability that the ball picked is blue? A class is composed of 20 boys and 25 girls. If a pupil is called to recite, what is the probability that the one called is a girl? There are twenty balls in a box numbered 1 to 20. After mixing them thoroughly, one ball is randomly picked. Find the probability that its number is divisible by 5.
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