The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4 places.
Less than $10 | $10-$49 | $50 or More | Total | |
Cash Purchase | 14 | 4 | 10 | 28 |
Card Purchase | 8 | 19 | 7 | 34 |
Total | 22 | 23 | 17 | 62 |
a) Find the probability that the customer's purchasing method was a card purchase or the customer spent $50 or more.
b) Find the probability that the customer's purchasing method was card purchase and the customer spent $50 or more.
c) Find the probability that the customer's purchasing method was a card purchase given they spent $50 or more.
d) Find the probability that the customer spent less than $50.
e) What percent of cash purchases were for $50 or More. Round percent to two decimal places. %