
Step-by-step explanation:
Probability that an american suffer great stress at least once a week = 46%
Pr(suffered stress once a week) = 0.46
3 people selected at randon. The probability that one is stresses doesnot affect the probability of other being stressed
To get the Probability that 3 people picked at random suffer great stress at least once a week, we will apply the multiplication rule since they are independent events:
![Pr(\text{ suffered stress once a w}eek)\text{ }*\text{ }Pr(\text{ suffered stress once a w}eek)\text{ }*\text{ }Pr(\text{ suffered stress once a w}eek)]()
