Question

1) Flipping a coin 20 times and landing on heads 11 times.

P(heads) =
Pétails) =
2) It snowed three days last week.
P(snow) =
P(no snow) =

Answer 1

1) P(heads) = 11/20
P(tails) = 9/20

2) P(snow)= 3/7
P(no snow) = 4/7

Hope this helps :)