Cyberattacks on small business. SmallBizGenius provides a space where small business owners can get up-to-date, accurate, and reliable statistics, news, reviews, and industry insights. It reports that one of advertising’s most unfortunate facts is that small businesses present a natural target for hackers. These companies usually have minimal security infrastructure and are easy prey for data sharks As per their statistics, 43% of all cyberattacks target small businesses. In a random sample of 40 cyberattacks, let pn represent the proportion of cyberattacks in which small businesses are targeted.

a. Find E(pn).

b. Find spn.

c. Describe the shape of the sampling distribution of pn.

d. Find P(pn 7 .50).