1. An instant lottery game gives you probability 0.07 of winning on any one play
ID: 3053450 • Letter: 1
Question
1. An instant lottery game gives you probability 0.07 of winning on any one play. Plays are independent of each other. If you play three times, what is the probability that you win on none of your plays? (Round your answer to four decimal places.) =
2.Of people who died in the United States in recent years, 86% were white, 12% were black, and 2% were Asian. (This ignores a small number of deaths among other races.) Diabetes caused 2.8% of deaths among whites, 4.4% among blacks, and 3.5% among Asians. What is the probability that a randomly chosen death is a white who died of diabetes? (Round your answer to three decimal places.) =
what is the distribution of doctorates conferred by field and sex? Here are the counts from the most popular fields in a given year. The physical sciences include mathematics and computer and informations sciences; the life sciences include agricultural sciences/natural resources, biological biomedical sciences, and health sciences; and the socal sciences include psychology Male Female Total Engineering Physical sdiences Life sciences Social sciences Education Humanities Other Total 8,568 2,630 9,102 5,410 6,77712,187 3,567 4,9408,507 3,376 4,956 2,654 2,8475,501 1,575 1,5043,079 27,864 24,036 51,900 6,606 6,472 1,962 1,580 What Is the conditional probablity that the recipient is male, given that the degree s in education? (Round your answer to four dedimal places.)Explanation / Answer
1probability that you win on none of your plays =(1-0.07)3 =0.8044
2)probability that a randomly chosen death is a white who died of diabetes =0.86*0.028=0.024
3)
conditional probability of male given degree in education=1580/4956=0.3188
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