Name__________________________________

 

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 .