Mathematics, 05.08.2020 06:01, glitch14
A retail shop manager analyzed the relationship between sales and the method of payments. Based on his analysis, he has produced the following joint probability table, as shown below: Size of purchase Method of payment Cash Credit card Debit Card Under $20 0.09 0.03 0.04 $20 -$100 0.05 0.21 0.18 Over $100 0.03 0.23 0.14 a. What proportion of purchases were paid by debit card? (2 marks) b. What proportion of purchases were paid by cash? (2 marks) c. Determine the proportion of purchases made by credit card or by debit card? (2 marks) d. Are the events “payment by cash” and “purchase of under $20” mutually exclusive? Explain your answer.
Answers: 2
Mathematics, 21.06.2019 14:10, uhhgray
Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?
Answers: 1
Mathematics, 21.06.2019 15:00, Auttyrain7596
What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
Answers: 2
A retail shop manager analyzed the relationship between sales and the method of payments. Based on h...
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