# Binomial Distribution

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Records indicate that 70 percent of Canadians submit their income tax returns by March 31 of each year when required to do so. In a random sample of 10 Canadians who are required to submit income tax returns,

A) What is the probability that 9 or more will submit their return by March 31?

B) What is the probability that exactly 5 will have submitted their return by March 31?

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##### Solution Summary

Binomial Distribution has been used to calculate probabilities.

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p= 0.7 or 70.00% (70% of Canadians submit their income tax returns by March 31)

q=1-p 0.3 or 30.00% (remaining 30% of Canadians do not submit their income tax returns by March 31)

This is a Binomial distribution

A) What is the probability that 9 or more will submit their return by March 31?

Probability that 9 or more will submit their return by March 31=

Probability ...

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