Three fair quarters are tossed, and a tail appears on at least one of them. what is the probability that at least one head appears? express your answer as a common fraction

Probability that at least one head appears is

Step-by-step explanation:

Given : Three fair quarters are tossed, and a tail appears on at least one of them.

To find : What is the probability that at least one head appears?

Solution :

When three fair quarters are tossed the sample form is

According to question,

In a sample space a tail appears on at least one of them.

i.e. Total outcomes is

Favorable outcome is getting at least one head appears

i.e. Favorable outcome is

Probability that at least one head appears is

Therefore, Probability that at least one head appears is

side side side

side angle angle

angle side angle

side angle side

step-by-step explanation:

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation: