A raffle was held at a local charity event. One thousand tickets were placed in

Question

A raffle was held at a local charity event. One thousand tickets were placed in a large bag for two random drawings. All tickets were stamped with a single number ranging from 1 to 1000. Three hundred of the tickets were on blue paper and 700 were on yellow paper. On the first draw, a blue ticket with an odd number was picked out of the bag. What is that probability that a blue ticket with an even number will be selected on the second draw (note—the ticket from the first draw was not placed back in the bag)?

Explanation / Answer

P(Blue ) = 300/1000

Blue ticket with even number = 150 = Blue ticket with odd number

P(a blue ticket with an even number will be selected given that a blue ticket with an odd number was picked)

= 150/999 = 0.1501

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