Marie wants to know the most popular car for parents. She plans to survey the people entering the mall from 10:00 a.m. to 11:00
1 answer:
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Answer:
B) 0.283
Step-by-step explanation:
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.
25% of the students drive themselves to school.
This means that
Class of 18 students
This means that
What would be the probability that at least 6 students drive themselves to school?
This is
In which
So
Closest option is B, just a small rounding difference.