subject
Mathematics, 28.07.2021 19:00 rileyeddins1010

Suppose that 3% 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 30 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?
(b) What is the probability that at least 1 received a special accommodation?
(c) What is the probability that at least 2 received a special accommodation?
(d) What is the probability that the number among the 20 who received a special accommodation is within 2 standard deviations of the number you would expect to be accommodated?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t
Answers: 1
question
Mathematics, 21.06.2019 16:30
Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me
Answers: 1
question
Mathematics, 21.06.2019 17:00
Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.
Answers: 1
question
Mathematics, 21.06.2019 18:30
Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3
Answers: 1
You know the right answer?
Suppose that 3% of the 2 million high school students who take the SAT each year receive special acc...
Questions
question
Biology, 03.08.2019 16:50
Questions on the website: 13722362