Yesterday movie theaters sold 261 bags of popcorn a large bag of popcorn cost three dollars a small bag of popcorn cost one doll
1 answer:
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Answer: 0.1334
Step-by-step explanation:
Given
There are seven trails with a probability of success is
Using the binomial distribution, the Probability of exactly no success i.e. x=0 is given by
I'm going to assume that you are trying to find the two numbers. Based on the information in the problem, we can create the following equations (where and
are the two numbers):
We have a systems of equations. In this case, it would be easier to use elimination by adding vertically. This produces the result:
To find , substitute the value for
into one of the earlier equations:
The two numbers are 12 and 18.