Mathematics, 26.02.2022 05:50 lola5683
The assistant manager of a surf shop estimates that 65% of customers will make a purchase. (10 points)
Part A: How many customers should a salesperson expect until he finds a customer that makes a
purchase?
Part B: What is the probability that a salesperson helps 3 customers until he finds the first person to
make a purchase?
Answers: 3
Mathematics, 21.06.2019 14:10
Which linear equations have an infinite number of solutions? check all that apply. (x – 3/7) = 2/7(3/2x – 9/14)8(x + 2) = 5x – 1412.3x – 18 = 3(–6 + 4.1x)(6x + 10) = 7(x – 2)4.2x – 3.5 = 2.1 (5x + 8)
Answers: 3
Mathematics, 21.06.2019 22:10
If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if
Answers: 3
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
The assistant manager of a surf shop estimates that 65% of customers will make a purchase. (10 point...
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