sat suite question viewer
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A data set of three numbers is shown. If a number from this data set is selected at random, what is the probability of selecting a positive number?
Explanation
Choice B is correct. The probability of selecting a positive number is the number of positive numbers in the data set divided by the total number of numbers in the data set. There is positive number in this data set. There are total numbers in this data set. Thus, if a number from this data set is selected at random, the probability of selecting a positive number is .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect. This is the probability of selecting a negative number from this data set.
Choice D is incorrect and may result from conceptual or calculation errors.