sulpcegu5e ppt 13_3
DESCRIPTION
TRANSCRIPT
Section 13.3
Probability
In tossing a fair coin, what is the probability that a head comes up? the probability that a tail comes up?
OBJECTIVE 1
four
OBJECTIVE 2
Calculate the probability that in a 4-child family there are 3 boys and 1 girl. Assume equally likely outcomes.
Consider the experiment of drawing a card from a standard 52 card deck of playing cards (ace through king, four suits). Let E represent the event “draw a heart” and let F represent the event “draw an ace”.
OBJECTIVE 3
If 0.3, 0.4, and 0.2,
find the probability of or . That is, find .
P E P F P E F
E F P E F
If 0.3 and 0.2, and and are mutually exclusive,
find .
P E P F E F
P E F
OBJECTIVE 4
On the local news the weather reporter stated that the probability of rain tomorrow is 30%. What is the probability that it will not rain?
What is the probability that in a group of 15 people at least 2 people have the same birthday? Assume that there are 365 days in a year.