SOLUTION: A penny, a nickel and a dime and a quarter are tossed. What is the probability of obtaining at least three heads?
Algebra ->
Probability-and-statistics
-> SOLUTION: A penny, a nickel and a dime and a quarter are tossed. What is the probability of obtaining at least three heads?
Log On
Question 300923: A penny, a nickel and a dime and a quarter are tossed. What is the probability of obtaining at least three heads? Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! There are 16 possible outcomes.
H H H H
H H H T
H H T H
H H T T
H T H H
H T H T
H T T H
H T T T
T H H H
T H H T
T H T H
T H T T
T T H H
T T H T
T T T H
T T T T
The total number of outcomes that have 3 heads or 4 heads is (4+1=)5 outcomes.
P(>2 heads)=5/16.
