Mathematics, 26.02.2020 16:07 anele22
A group of 100 people is tested for a disease, for which there is an infallible but expensive blood test. They are divided into 10 groups of 10 people each, then the people in each group pool their blood. If a test for a group comes our negative, everybody in that group is healthy and no more tests are done. Otherwise, the blood of each of the 10 people in the group is tested separately. Assume that the probability that a person has the disease is, independently, 0.1. Compute the expected number of tests performed.
Answers: 3
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 20:00
The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 2
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