Mathematics, 21.12.2019 20:31 ExclusiveNay
Suppose a multiple choice test has 20 questions with each question having 4 choices, only one of which is correct that is %25. suppose an unprepared student writes the answers, each time randomly picking on the 4 choices. what is the probability that the student will get
a) exactly 4 answers correct
b)all the answers incorrect
c) at least 8 correct
d) what is mean and the standard deviation
Answers: 1
Mathematics, 21.06.2019 17:00
Which graph corresponds to the function f(x) = x2 + 4x – 1?
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Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
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Mathematics, 21.06.2019 23:00
Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.
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Mathematics, 22.06.2019 00:30
3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.
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Suppose a multiple choice test has 20 questions with each question having 4 choices, only one of whi...
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