Maths-
SAT
Easy
Question
A sample of 600 ninth graders was selected at random and asked how much time they spend on homework each day. Of the ninth graders selected, 220 spend less than 2 hours on homework each day. If the conclusion was drawn that "approximately 1.35 million ninth graders spend less than 2 hours on homework each day," which of the following is closest to the population, in millions, of ninth graders?
- 0.495
- 1.35
- 3.68
- 5.84
The correct answer is: 3.68
of 600 only 220 spend less than 2 hours 1.35 million spend less than 2 hours.
x = 3.68 million
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