# Probability calculations using Normal Distribution

According to The American Consumer report of 1990, 44% of males say that they would buy a very expensive car if they won a million-dollar lottery. Suppose we conducted the same survey in 2000 and asked 1000 males the same question.

1) What is the probability that more than 45% of males will say that they would purchase an expensive car after winning the lottery?

[please show all the steps in completing this question. Include the formulas and graphs]

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#### Solution Preview

According to The American Consumer report of 1990, 44% of males say that they would buy a very expensive car if they won a million-dollar lottery. Suppose we conducted the same survey in 2000 and asked 1000 males the same question.

1) What is the probability that more than 45% of males will say that they would purchase an expensive ...

#### Solution Summary

Probability calculations are done using Normal Distribution. The probability that more than 45% of males will say that they would purchase an expensive car after winning the lottery is calculated.