Question

A fair spinner has 11 equal sections: 4 red, 4 blue and 3 green.

It is spun twice.
What is the probability of getting not green then green?

Answer 1

24/121

Explanation:

The probability of an event happening is the ratio of the number of possible outcome to the number of total outcome.

The probability of not getting green then green

= rg or bg

Where r is the probability of getting red, g is the probability of green and b is the probability of blue.

= 4/11 * 3/11 + 4/11 * 3/11

= 12/121 + 12/121

= 24/121