Two hundred multiples of seven are chosen at random, and 200 multiples of eight are chosen at random...
Two hundred multiples of seven are chosen at random, and 200 multiples of eight are chosen at random. Approximately what percentage of the 400 selected numbers are odd?
Answer/Solution
25%
Steps/Work
About half the multiples of seven will be odd while all the multiples of eight are even.
The percentage of odd numbers is about (1/2)(200) / 400 = 25%
The answer is B.
The percentage of odd numbers is about (1/2)(200) / 400 = 25%
The answer is B.