subject
Mathematics, 18.03.2021 03:30 jwjohnson20

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Membership in Mensa requires an IQ score above 131.5. (a) If one person is randomly selected from the general population, find the probability of getting someone with an IQ score of at least 131.5. (b) If a random sample of 3 people is selected from the general population, find the probability of them having a mean IQ of at least 131.5.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:00, cami30031cami3003
Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10
Answers: 2
image
Mathematics, 21.06.2019 15:30, shortyyashaun
Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under
Answers: 2
image
Mathematics, 21.06.2019 19:00, cassie2021
What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2
Answers: 2
image
Mathematics, 21.06.2019 22:30, curlyysav536
Math question.. plz me .. best answer all
Answers: 3
You know the right answer?
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Membership in...

Questions in other subjects:

Konu
Mathematics, 13.01.2021 17:10
Konu
Chemistry, 13.01.2021 17:10