Drones A 2017 Pew Research Center report on drones found that only 24% of Americans felt that drones should be allowed at events , like concerts or rallies. Suppose 100 Americans are randomly selected. a. What is the probability that exactly 25 believe drones should be allowed at these events? b. Find the probability that more than 30 believe drones should be allowed at these events. c. What is the probability that between 20 and 30 believe drones should be allowed at these events? d. Find the probability that at most 70 do not believe drones should be allowed at these events.
Drones A 2017 Pew Research Center report on drones found that only 24% of Americans felt that drones should be allowed at events , like concerts or rallies. Suppose 100 Americans are randomly selected. a. What is the probability that exactly 25 believe drones should be allowed at these events? b. Find the probability that more than 30 believe drones should be allowed at these events. c. What is the probability that between 20 and 30 believe drones should be allowed at these events? d. Find the probability that at most 70 do not believe drones should be allowed at these events.
Solution Summary: The author determines the probability that exactly 25 Americans out of 100 randomly selected Americans believe drones should be allowed at events.
Drones A 2017 Pew Research Center report on drones found that only 24% of Americans felt that drones should be allowed at events, like concerts or rallies. Suppose 100 Americans are randomly selected.
a. What is the probability that exactly 25 believe drones should be allowed at these events?
b. Find the probability that more than 30 believe drones should be allowed at these events.
c. What is the probability that between 20 and 30 believe drones should be allowed at these events?
d. Find the probability that at most 70 do not believe drones should be allowed at these events.
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Part (b)
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Life
Expectancy
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Life
Expectancy
Part (c)
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Year of
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800
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Discrete Distributions: Binomial, Poisson and Hypergeometric | Statistics for Data Science; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=lHhyy4JMigg;License: Standard Youtube License