A group of teenager smoking rate dropped 8.5% in 2007 from 17.6% in 2001 and 23% in 1997. 1. Calculate the probability that at least one in a group of 10 teenagers smoked in 2007.2. Calculate the probability that at least one in a group of 10 teenagers smoked in 2001. 1. Calculate the probability that at least one in a group of 10 teenagers smoked in 1997.

Answer 1

.5887
.8557
.9276

Answer 2

1) .206523
2) .54748
3) .707884

Answer 3

Correction:
3) .206523
2) .54748
1) .707884