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Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

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Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

Question 1.

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 drugs. Use the table below to answer the following questions.

1,000 Transactions	Drug A 500	Drug B 300	Drug C 200
Drug A	0	100	125
Drug B	100	25	75
Drug C	125	75	0
No Additional Drug	275	100	0

Refer to the table above. What is the confidence of Drug B being purchased given that Drug A has been purchased?

• .200

• .250

• .333

• .400

Question 2.

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 drugs. Use the table below to answer the following questions.

1,000 Transactions	Drug A 500	Drug B 300	Drug C 200
Drug A	0	100	125
Drug B	100	25	75
Drug C	125	75	0
No Additional Drug	275	100	0

Refer to the table above. What is the lift for Drug B being purchased given that Drug A has been purchased?

• .200

• .250

• .333

• .667

Textbook

Database Processing: Fundamentals, Design, and Implementation

Edition: 15^th

Authors: Kroenke, Auer, Yoder, Vandenberg

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