x y x□ √ 7 8 9 ÷
( ) < > 4 5 6 x ↑ ↓
, π ≤ ≥ 1 2 3 - ← →
ABC Funcs 0 . = + ↵ Go
q w e r t y u i o p
a s d f g h j k l ← →
? z x c v b n m = ↵ Go
123  
sin() cos() tan() log()
an ∫f(x)dx :
∩ ∪ ⊂
123 ± |x|


Probability (Tree Diagrams)

1 2 3 4 5 6


Question 1

A biased coin has a 0.4 chance of heads. The coin is flipped twice.

What is the probability of two heads ?


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Question 2

Continuing question 1, what is the probability of no heads in the two flips ?




Question 3

Continuing question 1, what is the probability of exactly 1 tail in the two flips ?




Q1  2  3  4  5  6 

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