Question

An estimated 40% of all people were born after the year 2000. If two people are selected at random from around the world, what are the chances that NEITHER of these people were born after the year 2000?

Answer 1

The chances that NEITHER of these two selected people were born after the year 2000 is 0.36

How to determine the probability?

The given parameters are:

Year = 2000

Proportion of people born after 2000, p = 40%

Sample size = 2

The chances that NEITHER of these two selected people were born after the year 2000 is calculated as:

P = (1- p)^2

Substitute the known values in the above equation

P = (1 - 40%)^2

Evaluate the exponent

P = 0.36

Hence, the chances that NEITHER of these two selected people were born after the year 2000 is 0.36

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