subject
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.)

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:10
Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?
Answers: 1
question
Mathematics, 21.06.2019 16:20
He concluded that a heavier object dropped from the same height as a lighter object will land
Answers: 2
question
Mathematics, 21.06.2019 18:30
Divide. write in simplest form 41/6 divided by 10
Answers: 1
question
Mathematics, 21.06.2019 19:30
Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?
Answers: 1
You know the right answer?
Suppose that 2% of the 2 million high school students who take the sat each year receive special acc...
Questions
question
Mathematics, 29.08.2019 14:00
question
Mathematics, 29.08.2019 14:10
Questions on the website: 13722361