A report indicated that 47% of adults had received a bogus email intended to steal personal information. Suppose a random sample of 700 adults is obtained. Complete parts (a) and (b) below.

(a) In a random sample of 700 adults, what is the probability that no more than 45% had received such anemail?

The probability is

nothing

. (Round to four decimal places asneeded.)

(b) Would it be unusual if a random sample of 700 adults resulted in 50% or more who had received such anemail?

A.

The result isnot unusual because the probability that

p0.50 is less than5%.

B.

The result is unusual because the probability that

p0.50 is less than5%.

C.

The result is unusual because the probability that

p0.50 is greater than5%.

D.

The result isnot unusual because the probability that

p0.50 is greater than5%.