Mega Millions is a multi-state lottery played in most U.S. states. As of this writing, the top cash prize was $656 million, going to three lucky winners in three states. Players pick five different numbers from 1 to 56 and one number from 1 to 46. Use this information to solve. Express all probabilities as fractions.
9. A player wins a minimum award of $150 by correctly matching three numbers drawn from white balls (1 through 56) and matching the number on the gold Mega Ball® (1 through 46). What is the probability of winning this consolation prize?
Answer:
Given that,
Here to win the lottery, player has to select the 5 numbers from the 30
i.e.,
Number of combinations = 30C5 ways
= 30!/(30-5)!*5!
= 142506
Total number of combinations = 142506
Now the probability that a player with 1 lottery ticket win is given as the ratio of number of combinations selected to that of total number of combinations
= 1 / 142506
Now if we purchase 100 tickets , then the total number of combinations selected = 100
Probability of winning if 100 different lotteries are purchased = number of combinations of 100 tickets/total number of combinations
substitute values
= 100/142506
Required probability = 50 / 71253
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