(Answered) 1 once a woman won 1 million in scratch off game from a

Statistics

1) Once a Woman won $1 Million in scratch off game from a lottery. Some years later, she won $1 million in another scratch off game. In the first game, she beat odds of 1 in 6.2 million to win. In the second, she beat odds of 1 in 805,600.

a) What is the probability that an individual would win 1 million in both games if they bought one scratch off ticket from each game?

b) What is the probability that an individual would win $1 million twice in the second scratch of

2) A diamond can be classified as either gem-quality or industrial grade. 87% of diamonds are classified as industrial-grade.

(a) 2 diamonds are chosen at random. What is the probability that both diamonds are industrial-grade?

(b) 9 diamonds are chosen at random. what is the probability that all 9 diamonds are industrial-grade?

(d) would it be unusual that at least 1 of 9 diamonds is gem-quality?

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