SOLUTION: You have 12 chores to do each week, and to spice up your life, your mom assigns them to you to do in a random order of her choosing each week. There are 7 chores that you truly ha

Algebra ->  Probability-and-statistics -> SOLUTION: You have 12 chores to do each week, and to spice up your life, your mom assigns them to you to do in a random order of her choosing each week. There are 7 chores that you truly ha      Log On


   

Question 872762: You have 12 chores to do each week, and to spice up your life, your mom assigns them to you to do in a random order of her choosing each week. There are 7 chores that you truly hate doing. What is the probability that your mom picks 3 of your hated chores and makes you do them first this week, in any order?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(dislike) = 7/12 = .5833
n = 3
P(x = 3) = (.5833)^3 0r binonpdf(3. .5833, 3) = .1985