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A box contains 50 computer chips of which 8 are known to be bad. A chip is selected at random and tested.
a. What is the probability that it is bad?
b. If a test on the first chip shows that it is bad, what is the probability that a second chip selected at random will also be bad, assuming the tested chip is not put back into the box?
c. If the first chip tests good, what is the probability that a second chip selected at random will be bad, assuming a tested chip is not put back into the box?
Define the function f: (0, 1) -> A as follows: For x in the open interval (0,1), let f(x) be the element of A with the property that for every positive integer k, the digit i_k in the kth decimal place of f(x) is the least i in I such that x has a..
Consider the word PEACH. We will make lists from the letters in PEACH, with repetition allowed.
What percentage of the high temperatures are within the interval X- - 2S to X- + 2S? How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)?
Prob1. LetT∈L(V,W).Prove (a) T is injective if and only if T ∗ is surjective; (b) T ∗ is injective if and only if T is surjective.
How many hours will it take thebullock cart to travel 20 km?
Display a matrix A and an echelon form of A.
Let f, g : R ? R be continuous functions. (a) Prove that if f(r) = 0 for all r ? Q, then f(x) = 0 for all x ? R. (b) Prove that if f(r) = g(r) for all r ? Q, th
In Figure, the blue curve shows monthly mean carbon dioxide (CO2) concentration, in parts per million (ppm) at Mauna Loa Observatory, Hawaii.
Compare and contrast being an entrepreneur to being an employee of a company. (identify 5 specific points to compare and 5 specific points to contrast)
Suppose X, Y and Z are random variables with joint density funciton f (x, y, z) = Ce^-(0.5x+0.2y+0.1z) if x>0, y>0, z>0 and f(x, y, z) = 0 otherwise.
able industries bought a fax machine for $250. it is expected to depreciate at a rate of 25% per year. what will the value of the fax machine be in 3 years?
Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks?
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