The proportion of adult women in a certain geographical regi

The proportion of adult women in a certain geographical region is approximately 49%. A marketing survey telephones 500 people at random. Complete parts a and b below. What proportion of women in the sample of 500 would you expect to see? How many women, on average, would you expect to find in a sample of that size?

Solution

b)

E(x) = n p = 500*0.49 = 245 [ANSWER]