SOLUTION: 1. A recent survey found that 80% of all adults over 50 wear glasses for driving. You randomly select 20 adults over 50, and ask if he or she wears glasses. Decide whether you can

Algebra ->  Probability-and-statistics -> SOLUTION: 1. A recent survey found that 80% of all adults over 50 wear glasses for driving. You randomly select 20 adults over 50, and ask if he or she wears glasses. Decide whether you can       Log On


   

Question 930307: 1. A recent survey found that 80% of all adults over 50 wear glasses for driving. You randomly select 20 adults over 50, and ask if he or she wears glasses. Decide whether you can use the normal distribution to approximate the binomial distribution.

Can use normal distribution

Cannot use normal distribution

Not enough information has been provided

None of the above
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Note: We can use the normal distribution as a close approximation to the
binomial distribution whenever np ≥ 5 and nq ≥ 5.
.2(20) = 4
........
Cannot use normal distribution