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1. Recently, about 60% of those who were tested for COVID-19 in the Bulacan were positive of the virus. a. If 50 persons were tested in a specific testing center, what is the probability of getting 10 positive results after testing 15 people? b. What is the probability that the 20th person is actually the 15th person who is tested positive of the virus? c. What is the probability the 8th person tested in the laboratory is the first one who is positive of the virus?

1. Recently, about 60% of those who were tested for COVID-19 in the Bulacan were positive of the virus. a. If 50 persons were tested in a specific testing center, what is the probability of getting 10 positive results after testing 15 people? b. What is the probability that the 20th person is actually the 15th person who is tested positive of the virus? c. What is the probability the 8th person tested in the laboratory is the first one who is positive of the virus?

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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1. Recently, about 60% of those who were tested for COVID-19 in the Bulacan were positive of the virus. a. If 50 persons were tested in a specific testing center, what is the probability of getting 10 positive results after testing 15 people? b. What is the probability that the 20th person is actually the 15th person who is tested positive of the virus? c. What is the probability the 8th person tested in the laboratory is the first one who is positive of the virus?
Transcribed Image Text:1. Recently, about 60% of those who were tested for COVID-19 in the Bulacan were positive of the virus. a. If 50 persons were tested in a specific testing center, what is the probability of getting 10 positive results after testing 15 people? b. What is the probability that the 20th person is actually the 15th person who is tested positive of the virus? c. What is the probability the 8th person tested in the laboratory is the first one who is positive of the virus?
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