In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and restaurant sector, leaving approximately 1.5 billion meals per year uneaten. Assume this is the true population proportion and that you plan to take a sample survey of 545 companies in the food service and restaurant sector to further investigate their behavior. (a) Show the sampling distribution of p, the proportion of food recovered by your sample respondents. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -0.03 to about 0.05. The curve enters the viewing window near -0.03 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.01. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.05. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -2.9 to about 3.1. The curve enters the viewing window near -2.9 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.1. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 3.1. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -0.04 to about 0.04. The curve enters the viewing window near -0.04 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.00. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.04. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about 0.06 to about 0.14. The curve enters the viewing window near 0.06 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.10. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.14. (b) What is the probability that your survey will provide a sample proportion within ±0.03 of the population proportion? (Round your answer to four decimal places.) (c) What is the probability that your survey will provide a sample proportion within ±0.015 of the population proportion? (Round your answer to four decimal places.)
In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and restaurant sector, leaving approximately 1.5 billion meals per year uneaten. Assume this is the true population proportion and that you plan to take a sample survey of 545 companies in the food service and restaurant sector to further investigate their behavior. (a) Show the sampling distribution of p, the proportion of food recovered by your sample respondents. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -0.03 to about 0.05. The curve enters the viewing window near -0.03 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.01. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.05. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -2.9 to about 3.1. The curve enters the viewing window near -2.9 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.1. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 3.1. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about -0.04 to about 0.04. The curve enters the viewing window near -0.04 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.00. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.04. A bell-shaped curve is above a horizontal axis labeled p. The horizontal axis ranges from about 0.06 to about 0.14. The curve enters the viewing window near 0.06 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.10. The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.14. (b) What is the probability that your survey will provide a sample proportion within ±0.03 of the population proportion? (Round your answer to four decimal places.) (c) What is the probability that your survey will provide a sample proportion within ±0.015 of the population proportion? (Round your answer to four decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and restaurant sector, leaving approximately 1.5 billion meals per year uneaten. Assume this is the true population proportion and that you plan to take a sample survey of 545 companies in the food service and restaurant sector to further investigate their behavior.
(a)
Show the sampling distribution of
p,
the proportion of food recovered by your sample respondents.A bell-shaped curve is above a horizontal axis labeled p.
- The horizontal axis
ranges from about -0.03 to about 0.05. - The curve enters the viewing window near -0.03 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.01.
- The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.05.
A bell-shaped curve is above a horizontal axis labeled p.
- The horizontal axis ranges from about -2.9 to about 3.1.
- The curve enters the viewing window near -2.9 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.1.
- The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 3.1.
A bell-shaped curve is above a horizontal axis labeled p.
- The horizontal axis ranges from about -0.04 to about 0.04.
- The curve enters the viewing window near -0.04 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.00.
- The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.04.
A bell-shaped curve is above a horizontal axis labeled p.
- The horizontal axis ranges from about 0.06 to about 0.14.
- The curve enters the viewing window near 0.06 just above the horizontal axis, curves up to the right, and reaches a maximum near 0.10.
- The curve then curves down and to the right until it leaves the viewing window at the same height it entered near 0.14.
(b)
What is the probability that your survey will provide a sample proportion within ±0.03 of the population proportion? (Round your answer to four decimal places.)
(c)
What is the probability that your survey will provide a sample proportion within ±0.015 of the population proportion? (Round your answer to four decimal places.)
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