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 17:00
5(-9w) put expression in distributive property
Answers: 1
question
Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
Answers: 3
question
Mathematics, 21.06.2019 21:30
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
question
Mathematics, 21.06.2019 22:30
Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell
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
Chemistry, 16.02.2022 08:10
question
Mathematics, 16.02.2022 08:10