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Probability

If 1 billion songs exists in the world, and 2 people (boy and girl... mid 20's) select there top 50 songs of the 1 billion songs that are possible, what is the probability that 5 of...

how do i find the answer

An IQ test has a mean of 100 and a standard deviation of 15. The test scores are normally distributed. Find the percentage of people who will score below 93. Give your answer as a percent rounded...

Confused with Word Problem

Hi Tutors, I need help on this word problem. This is my son's homework for Multiplication and Division Word Problems. The problem didn't say that each cup costs 4.98. It just said 5 cups...

3 to 4 ratio

THERE ARE 3 SIMILAR INCH MEASUREMENTS.   THE RATIO OF MEASUREMENT A TO MEASUREMENT B IS 5 TO 8 INCHES.   THE RATIO OF THE MEASUREMENT B TO C IS 3 TO 4.   WHAT...

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