Find the answer in simplest form. 3 1/8 * 1 4/5=
2 answers:
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Answer:
14.19% probability that exactly three of the twelve support the increase.
Step-by-step explanation:
For each Missourian, there are only two possible outcomes. Either they support the increase, or they do not. The probability of a Missourian supporting the increase is independent of other Missourians. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
40% of Missourians favor increasing the minimum wage.
This means that
Twelve Missourians are selected at random and asked whether they support the increase.
This means that
Find the probability that exactly three of the twelve support the increase.
This is P(X = 3).
14.19% probability that exactly three of the twelve support the increase.