A research company surveys 8,000 people. The company expects 6,000 people to respond favorably. If there is a percent error of 2
.5%, what is the range of people who will respond favorably to the survey? please help
1 answer:
Answer:
400
Step-by-step explanation:
6/8 = 0.75 or 75% expected to respond favorably.
Margin of error 2.5%:
Lower bound: 0.75 - .025 = 0.725
Upper bound: 0.75 + .025 = 0.775
Range:
Lower bound: 8000 * 0.725 = 5800
Upper bound: 8000 * 0.775 = 6200
6200 - 5800 = 400
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