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In a particular country on the African continent, 35% of the population is estimated to have at at least one smart phone. If a small
In a particular country on the African continent, 35% of the population is estimated to have at
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 that,
the number of people in the sample that have at least one smart phone is;
- at most 15;
- more than 12 but fewer than 18;
- exactly equal to the mean of the distribution
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