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At a certain university, 30% of the students who take basic statistics are firstyear students, 35% are sophomores, 20% are juniors, and 15% are seniors.
From records of the statistics department it is found that out of the first-year students who take the basic statistics course 20% get As; out of the sophomores who take the course 30% get As; out of the juniors 35% get As; and out of the seniors who take the course 40% get As.
Given that a student got an A in basic statistics, what is the probability that she or he is a senior?
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Determine the maximum and minimum dollar amount spent per week for middle 50% of one-person households. Suppose that standard deviation is$5 and variable is normally distributed.
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question suppose the following summary statistics are obtained from a large group of individuals x52.0 sx8.7 y147.3
a computer program can make calls to two subroutines a and b. in a randomly chosen run let x be the number of calls to
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