Topic 2 Probability Flashcards
1
Q
How to write a probability answer?
A
P(thing) faction
2
Q
How to write the answer of not happening ?
A
P(thing) = 1 - p(thing)
There is a line on top of the first thing
3
Q
How to draw a probability space?
A
The side with the 1st thing always have the letter or number first
4
Q
Someone throws a coin 20 times
How many times would they EXPECT it to land on heads
A
P(H)= 1/2 Expect = 1/2 x 20 = 10
5
Q
Robert throws a coin 20 times.
How many times would he expect the coin to land on heads?
A
P(H) = 1/2 Expect = 1/2 X 20 = 10
