Mathematics, 21.10.2020 16:01 18sofia18
A short quiz has two true-false questions and one multiple-choice question with four possible answers. A student guesses at each question. Assuming the choices are all equally likely and the questions are independent of each other, the following is the probability distribution of the number of answers guessed correctly. What is the Probability of two or more questions right? X 0 1 2 3 P(X) .1875 .4375 .3125 .0625
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Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?
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Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
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Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet
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A short quiz has two true-false questions and one multiple-choice question with four possible answer...
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