Mathematics, 20.09.2019 16:30 jair512872
Suppose that 2% of the 2 million high school students who take the sat each year receive special accommodations because of documented disabilities. consider a random sample of 15 students who have recently taken the test. (round your probabilities to three decimal places.) (a) what is the probability that exactly 1 received a special accommodation? .132 incorrect: your answer is incorrect. (b) what is the probability that at least 1 received a special accommodation? .965 incorrect: your answer is incorrect. (c) what is the probability that at least 2 received a special accommodation? .833 incorrect: your answer is incorrect. (d) what is the probability that the number among the 15 who received a special accommodation is within 2 standard deviations of the number you would expect to be accommodated? .618 incorrect: your answer is incorrect. (e) suppose that a student who does not receive a special accommodation is allowed 3 hours for the exam, whereas an accommodated student is allowed 4.5 hours. what would you expect the average time allowed the 15 selected students to be? (round your answer to two decimal places.)
Answers: 3
Mathematics, 21.06.2019 19:00
Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.
Answers: 2
Suppose that 2% of the 2 million high school students who take the sat each year receive special acc...
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