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yawa3891 [41]
3 years ago
11

Schadek Silkscreen Printing Inc. purchases plastic cups and imprints them with logos for sporting events, proms, birthdays, and

other special occasions. Zack Schadek, the owner, received a large shipment this morning. To ensure the quality of the shipment, he selected a random sample of 300 cups and inspected them for defects. He found 15 to be defective. What is the estimated proportion defective in the population?
Mathematics
1 answer:
ehidna [41]3 years ago
6 0

Answer: 0.05

Step-by-step explanation:

Given : To ensure the quality of the shipment, he selected a random sample of 300 cups and inspected them for defects. He found 15 to be defective.

i.e. sample size : n= 300

sample proportion : \hat{p}=\dfrac{15}{300}=0.05

The best estimate for population proportion is the sample proportion.

Therefore, the estimated proportion defective in the population : 0.05

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