Question

A store stocks light bulbs from three suppliers. Suppliers A, B, and C supply 10%, 20%, and 70% of the bulbs respectively. It has been determined that company A's bulbs are 1% defective while company B's are 3% defective and company C's are 4% defective. If a bulb is selected at random and found to be defective, what is the probability that it came from supplier C? A. 0.80 B. .03 C. 0.17 D. 0.20

          A store stocks light bulbs from three suppliers. Suppliers A, B, and C supply 10%, 20%, and 70% of the bulbs respectively. It has been determined that company A's bulbs are 1% defective while company B's are 3% defective and company C's are 4% defective. If a bulb is selected at random and found to be defective, what is the probability that it came from supplier C?

A. 0.80
B. .03
C. 0.17
D. 0.20

A store stocks light bulbs from three suppliers. Suppliers A, B, and C supply 10%, 20%, and 70% of the bulbs respectively. It has been determined that company A's bulbs are 1% defective while company B's are 3% defective and company C's are 4% defective. If a bulb is selected at random and found to be defective, what is the probability that it came from supplier C?

A. 0.80
B. .03
C. 0.17
D. 0.20

Added by Christina H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert David Nguyen

11/23/2021

Step 1

10 * 0.03 = 0.003 - Supplier B: 20% of bulbs, 10% defective, so probability = 0.20 * 0.10 = 0.020 - Supplier C: 70% of bulbs, 4% defective, so probability = 0.70 * 0.04 = 0.028 Show more…

Show all steps

Thanks for your feedback!

A store stocks light bulbs from three suppliers. Suppliers A, B, and C supply 10%, 20%, and 70% of the bulbs respectively. It has been determined that company A's bulbs are 1% defective while company B's are 3% defective and company C's are 4% defective. If a bulb is selected at random and found to be defective, what is the probability that it came from supplier C? A. 0.80 B. .03 C. 0.17 D. 0.20