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Fahrenheit to Celsius

If the temperature drops by 18o Fahrenheit in a given day, how much did it drop in degrees Celsius?

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Mean and Standard Deviation

If the mean and standard deviation of the data set {12,14,19,x} are 15 and √26, respectively, x = ?

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Average Height

If the heights of three people are 5’8”, 5’2”, and 6’2”, what is their average height?

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Call It In The Air

What is the probability that a fair coin will show “heads” 2 out of 4 times?

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Best of a Series

Two teams are playing a best-of-five series, which ends as soon as either team wins three games. If the two teams are equally likely to win a game, regardless of the outcomes of the others, what is the probability that the series ends after the first three games?

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Median of Four Values

If the mean of 15, x, 17 and 12 is 15, what is the median of these four values?

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Trigonometric Identities

Which of the following expressions can be simplified such that the result is equal to 1?

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Adding Exponents

What is the value of 10-2 + 10-3 + 10-4?

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Miles of Calculations

One-hundredth of a mile equals approximately how many meters?

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Scientific Notation

2.4 x 10-6 x (5 x 106)2 = ?

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