Question

A large retail store gathered data on the method of payment and the purchase price category...

A large retail store gathered data on the method of payment and the purchase price category for each item sold. The contingency table below summarises the data:

Method of Payment

Purchase Price Category

Cash

(A1)

Credit Card

(A2)

Debit Card

(A3)

Total

$100 or less (B1)

40

30

20

90

More than $100 (B2)

20

160

30

210

Total

60

190

50

300

What is the probability that a randomly selected purchase is priced at more than $100 or is bought NOT using cash (two decimal places)?

Math   Statistics-And-Probability   
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Answer #1

Total = 300

More than $100 or not cash = 210 + 30 + 20 = 260

P(more than $100 or not cash) = 260/300 = 0.87 (rounded)

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DEAR STUDENT,

IF YOU HAVE ANY QUERY ASK ME IN THE COMMENT BOX,I AM HERE TO HELPS YOU.PLEASE GIVE ME POSITIVE RATINGS

*****************THANK YOU***************

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