The value of
Step-by-step explanation:
Given: The function
Using this formula, we need to find the value of
Hence, we need to substitute by
to find the value of
Multiplying the term by
, we get,
Adding the constant term,
Thus, the value of is
Answer:
A)0.8533
Step-by-step explanation:
For each person, there are only two possible outcomes. Either they are 65 or older, or they are not. The probability of a person being 65 or older is independent of any other person. 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.
14 percent of the population of Arizona is 65 years or older.
This means that
A random sample of five persons from this population is taken.
This means that
The probability that less than 2 of the 5 are 65 years or older is :
In which
So the correct answer is:
A)0.8533