In general, shopping online is supposed to be more convenient than going to stores. However, according to a recent Harris Interactive poll, 87% of people have experienced problems w ith an online transaction (The Wall Stre e t J o u r n a l, October 2 , 2007). Forty-two percent of people who experienced a problem abandoned the transaction or switched to a competitor's website. Fifty-three percent of people who experienced problems contacted customerservice representatives.

a. What percentage of people did not experience problems with an online transaction?

b. What percentage of people experienced problems with an online transaction and abandoned the transaction or switched to a competitor's website?

c. What percentage of people experienced problems with an online transaction and contacted customer-service representatives? P-258