Suppose That 19% of All Sales Are for Amounts Greater

Multiple Choice

Suppose that 19% of all sales are for amounts greater than $1,000.In a random sample of 30 invoices,what is the probability that more than six of the invoices are for over $1,000? Use the binomial approximation for the normal distribution.

A) 0.4443
B) 0.9440
C) 0.5557
D) 0.0560