If a Customer at a Particular Grocery Store Uses Coupons

question 17

Multiple Choice

If a customer at a particular grocery store uses coupons, there is a 50% probability that the customer will pay with a debit card. Thirty percent of customers use coupons and 35% of customers pay with debit cards. Given that a customer pays with a debit card, the probability that the same customer uses coupons is ------- .

• A)0.60
• B)0.22
• C)0.43
• D)0.72

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Definitions:

Varying Amounts

Describes quantities that differ in size, number, or extent, and are not fixed or constant.

Fixed Interval

A schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed, in behavioral psychology.

Fixed Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses, leading to a high and steady rate of response.

Variable Ratio

In operant conditioning, a reinforcement schedule that rewards an action after an unpredictable number of responses.