Math 210
Spring 2002
Quiz # 9C
Dr. McCullough
1. ) A local polling organization maintains that 90% of the eligible voters have never heard of John Anderson, who was a presidential candidate in 1980. If this is so, what is the probability that in a randomly selected sample of 12 eligible voters, 2 or fewer have heard of John Anderson ?
2. ) Find the mean, variance and standard deviation for the distribution defined in #1?
Clearly
label with the correct symbol which value is which answer.
3. ) Find
. 4.
) Find the
.