Answer
$P(x \geq 8)$ = $0.9298$
Interpretation: The probability that at least 8 smokers started smoking before the age of 21 is 0.9298. If we carry out 100 trials of this experiment, we expect that approximately 93 trials will result in at least 8 smokers that who started smoking before age 21.
Work Step by Step
$P(x \geq 8)$
= $1- P(x < 8)$
= $1 - P(x\leq 7)$
= $1- 0.0702$
= $0.9298$
