Mathematics, 25.02.2021 06:50 inesperezferrere
Your teacher just handed you a multiple choice quiz with 12 questions and none of the material seems familiar to you. each question has 4 answers to pick from, only one of which is correct for each question. helpless, you pick solutions at random for each question.
(a). define a random variable X for the number of questions you get correct. provide the distribution for this random variable and its parameter
(b). what is the probability that you pass the test ( i. e get a score of 6 or better)
(c.) if your classmates are all just as unprepared as you, what would you expect the class average on this test to be?
(d) what is the probability you get a perfect score on the test?
Answers: 2
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Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)
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Mathematics, 22.06.2019 00:00
The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?
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