________ marketing is about making sure the brand and its marketing are as personally relevant as possible to as many customers as possible–a challenge, given that no two customers are identical

Since Dennis arrived at the office in a cheerful mood, his co-workers can expect that he would remain cheerful for the rest of the day

Indicate whether the statement is true or false

AT&T would like to investigate if brand of smartphone and income level are independent variables. The following contingency table shows the number of customers who own three brands of smartphones along with their income level

SmartphoneIncome Level iPhone Samsung MotorolaLess than $50,000 15 20 15$50,000-$100,000 15 50 25More than $100,000 10 20 30The expected number of customers who own an iPhone and earn more than $100,000 is ________.A) 10.0 B) 12.0 C) 17.5 D) 22.5