SOLUTION: You toss a coin 142 times. Find the probability that exactly 71of the 142 tosses will be heads.

Algebra ->  Probability-and-statistics -> SOLUTION: You toss a coin 142 times. Find the probability that exactly 71of the 142 tosses will be heads.      Log On


   



Question 1054817: You toss a coin 142 times. Find the probability that exactly 71of the 142 tosses will be heads.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(heads) = 1/2 = .5, n = 142
P(x = 71)= binompdf(142, .5, 71)
0r
P+%2871%29=+highlight_green%28142C71%29%28.5%5E71%29%28.5%29%5E%2871%29+