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How hard is it to reach a businessperson by phone? Let p be the proportion of calls to businesspeople for which the caller reaches the person being called on the first try. a. If you have no preliminary estimate for p, how many busjness phone calls should you include in a random sample to be 80% sure that the point estimate p will be within a distance of 0.03 from p? b. The Book of Odds reports that businesspeople can be reached by a single phone call approximately 17% of the time. Using this (national) estimate for p, answer part (a). I

How hard is it to reach a businessperson by phone? Let p be the proportion of calls to businesspeople for which the caller reaches the person being called on the first try. a. If you have no preliminary estimate for p, how many busjness phone calls should you include in a random sample to be 80% sure that the point estimate p will be within a distance of 0.03 from p? b. The Book of Odds reports that businesspeople can be reached by a single phone call approximately 17% of the time. Using this (national) estimate for p, answer part (a). I

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Business: Phone Contact How h x + Sam X E Ayalnesh Antokhin - Day 67 Mo cs.google.com/document/d/10rpD88ePV9z4FWPE2gQYk6yWwtXgiq1hx5_UHFYKAAW/edit Netflix h Hulu Disney+ | * Lakewood I JSTOR Infinite Campus khin - Day 67 More Choosing the Sample Size Practice O Insert Format Tools Add-ons Help Last edit was 8 minutes ago BIUA 川, 三E▼m 00% Normal text Arial, 12 4. How hard is it to reach a businessperson by phone? Let p be the proportion of calls to businesspeople for which the caller reaches the person being called on the first try. a. If you have no preliminary estimate for p, how many busjness phone calls should you include in a random sample to be 80% sure that the point estimate p will be within a distance of 0.03 from p? b. The Book of Odds reports that businesspeople can be reached by a single phone call approximately 17% of the time. Using this (national) estimate for p, answer part (a). I SUS
Transcribed Image Text:Business: Phone Contact How h x + Sam X E Ayalnesh Antokhin - Day 67 Mo cs.google.com/document/d/10rpD88ePV9z4FWPE2gQYk6yWwtXgiq1hx5_UHFYKAAW/edit Netflix h Hulu Disney+ | * Lakewood I JSTOR Infinite Campus khin - Day 67 More Choosing the Sample Size Practice O Insert Format Tools Add-ons Help Last edit was 8 minutes ago BIUA 川, 三E▼m 00% Normal text Arial, 12 4. How hard is it to reach a businessperson by phone? Let p be the proportion of calls to businesspeople for which the caller reaches the person being called on the first try. a. If you have no preliminary estimate for p, how many busjness phone calls should you include in a random sample to be 80% sure that the point estimate p will be within a distance of 0.03 from p? b. The Book of Odds reports that businesspeople can be reached by a single phone call approximately 17% of the time. Using this (national) estimate for p, answer part (a). I SUS
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4.

a.

From the given information, confidence level is 0.80 and E=0.03.

 

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