If we are looking for the probability that a score will fall between 72 and 92, the correct notation would be A) p(72 92). D) p(

Question

If we are looking for the probability that a score will fall between 72 and 92, the correct notation would be A) p(72 < X < 92). B) p(72 > X < 92). C) p(72 > X > 92). D) p(< 72 X < 92).

Quizplus · Accepted Answer

The correct notation for the probability that a score will fall between two values is to use the "less than" and "greater than" symbols to indicate the range. So, p(72 < X < 92) reads as "the probability that X is greater than 72 and less than 92". Option B is incorrect because the symbols are reversed. Option C is incorrect because both symbols indicate that the score must be less than the lower bound 72 and greater than the upper bound 92, which is impossible. Option D is incorrect because the less than symbol is in the wrong place (it should be before 72, not after).

If We Are Looking for the Probability That a Score