[Rabbit]

1. A coin has been weighted so that the probablility of gettting heads is 2/5 and tails 3/5. The coin is thrown twice. What is the probablility of obtaining.

A) 2 heads. (is it 2/5 x 2/5)
B) no heads. (is it 3/5 x 3/5)
C) At least one heads.
Pretty sure i no a + b but not sure about c. and pls tell how you get it.

2. A spinner has 3 parts red 1 part Blue. it is spun twice.
a) what is the probability of getting two reds
b) at least one red
c) no reds.