subject
Mathematics, 05.01.2021 16:50 nmoareah

Suppose that 65% of high school students eat breakfast before going to school. A random sample of 500 high school students were surveyed. Let X = the number of high school students in a random sample of size 500 who eat breakfast before going to school. 1. Explain why X can be modeled by a binomial distribution even though the sample was selected without replacement.

2. Use a binomial distribution to estimate the probability that 300 or fewer high school students in the sample eat breakfast before going to school.

3. Justify why X can be approximated by a Normal distribution.

4. Use a Normal distribution to estimate the probability that 300 or fewer high school students in the sample eat breakfast before going to school.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:30, uticabadgirl
Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny
Answers: 1
image
Mathematics, 21.06.2019 17:30, veheca
Which is the equation of a line perpendicular to the line with the equation 3x+4y=8
Answers: 1
image
Mathematics, 21.06.2019 19:10, bleesedbeme
What is the total surface area of this square pyramid?
Answers: 2
image
Mathematics, 21.06.2019 20:00, Clervoyantyvonne
Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2
Answers: 1
You know the right answer?
Suppose that 65% of high school students eat breakfast before going to school. A random sample of 50...

Questions in other subjects:

Konu
Biology, 01.09.2019 04:10
Konu
Mathematics, 01.09.2019 04:10
Konu
Computers and Technology, 01.09.2019 04:10
Konu
Mathematics, 01.09.2019 04:10