Answer to Question #33470 in Statistics and Probability for Jean Baptiste Cinelus

Question #33470

The scores of high school seniors taking the ACT college entrance examination in 2003 was, mean= 19.6 with standard deviation of 3.8. assume the distributing of the scores to be roughly
What is the probability that a single student chosen a random from all those taking the test scored 22 or higher?
Assume that the problem was to calculate the probability of randomly selected student scoring 23 or higher. would you expect the probability to increase, decrease, or remain the same?

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