# Probability Questions : explained

(A roulette wheel has 38 numbers: 18 red, 18 black, a 0, and a 00 (0 and 00 are neither red nor black). When the wheel is spun, all numbers are equally likely to be selected.)
What is the probability that the wheel lands on 0?

A die is loaded so that the numbers 2 through 6 are equally likely to appear, but 1 is three times as likely as any other number to appear. One die is rolled. What is the probability of getting an even number?

The dice are loaded so that the numbers 2, 4, and 6 are equally likely to appear. 1, 3, and 5 are also equally likely to appear, but 1 is three times as likely as 2 is to appear. One die is rolled. What is the probability of getting an even number?

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Neha Jain, ME

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Active since 2006

PhD (IP), IIM Bangalore
ME, Maharaja Sayajirao University,Baroda
BE, Maharaja Sayajirao University,Baroda

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