Question

When you flip a biased coin the probability of getting a tail is 0.4.

How many times would you expect to get tails if you flip the coin 220 times?

Answer 1

88

Explanation:

Multiply 0.4 × 220 = 88

This makes sense because it's a biased coin. A fair coin has a probability of 0.5 and you would expect 110 tails.