In a particular country on the African continent, 35% of the population is estimated to have at least one smart phone. If a small sample of 40 people is selected from the population for a statistical investigation, Use the Binomial distribution to estimate the probability of the number of people in the sample that have at least one smart phone is; a) at most 15; b) more than 12 but fewer than 18; c) exactly equal to the mean of the distribution

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 2SE: What is a sample space?
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In a particular country on the African continent, 35% of the
population is estimated to have at least one smart phone. If a small
sample of 40 people is selected from the population for a statistical
investigation, Use the Binomial distribution to estimate the
probability of the number of people in the sample that have at least
one smart phone is;
a) at most 15;
b) more than 12 but fewer than 18;
c) exactly equal to the mean of the distribution

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