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To find out the prevelance of smallpox vaccine use, a researcher inquired into the number of times a randomly selected 200 people aged 16 and over in African village had been vaccinated. He obtained the following figures: never 17 people: once 30: twice 58: three times. 51: four times 38: five times. 7. Assuming these proportions continue to hold exhaustively for the population of that village Let X

To find out the prevelance of smallpox vaccine use, a researcher inquired into the number of times a randomly selected 200 people aged 16 and over in African village had been vaccinated. He obtained the following figures: never 17 people: once 30: twice 58: three times. 51: four times 38: five times. 7. Assuming these proportions continue to hold exhaustively for the population of that village Let X

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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match the following(1-a, 2-c, etc.)

To find out the prevelance of smallpox vaccine use, a researcher inquired into the number of times a randomly selected 200 people aged 16 and over in African village had been vaccinated. He obtained the following figures: never, 17 people; once, 30; twice, 58; three times, 51; four times 38; five times, 7. Assuming these proportions continue to hold exhaustively for the population of that village. Let X denote the random variable representing the number of times a person aged or older in this village has been vacinated. Match the followings. A. 1.61 B. 0.235 C. 0.255 D. 2.43 E. 0.525 select v1. P(X=3)= select - 2. P(XS2)= select v 3. E(X)= select - 4. V(X)= select - 5. P(X<1)=
Transcribed Image Text:To find out the prevelance of smallpox vaccine use, a researcher inquired into the number of times a randomly selected 200 people aged 16 and over in African village had been vaccinated. He obtained the following figures: never, 17 people; once, 30; twice, 58; three times, 51; four times 38; five times, 7. Assuming these proportions continue to hold exhaustively for the population of that village. Let X denote the random variable representing the number of times a person aged or older in this village has been vacinated. Match the followings. A. 1.61 B. 0.235 C. 0.255 D. 2.43 E. 0.525 select v1. P(X=3)= select - 2. P(XS2)= select v 3. E(X)= select - 4. V(X)= select - 5. P(X<1)=
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