Mathematics
Mathematics, 28.02.2020 20:50, HelloDarknessMyOldFr

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 20 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? Hint: First, calculate ? and ?. Then calculate the probabilities for all integers between ? - 2? and ? + 2?.

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, Patricia2121
Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°
Answers: 2
image
Mathematics, 21.06.2019 21:30, mcaninch36
Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.
Answers: 1
image
Mathematics, 21.06.2019 23:00, miahbaby2003p2af1b
Prove that 16^4-2^13-4^5 is divisible by 11.
Answers: 1
image
Mathematics, 21.06.2019 23:00, Arealbot
Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
Answers: 1
Do you know the correct answer?
Suppose that 3% of the 2 million high school students who take the SAT each year receive special acc...

Questions in other subjects:

Konu
Mathematics, 03.01.2021 05:00
Konu
Mathematics, 03.01.2021 05:00