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13. In a recentyear, the scores for the reading portion of a test were normallydistributed, with a mean of 23.5 and a standard deviation of
13.
In a recentyear, the scores for the reading portion of a test were normallydistributed, with a mean of 23.5 and a standard deviation of 6.1. Complete parts(a) through(d) below.
(a) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is less than 20
The probability of a student scoring less than 20 is____________.
(Round to four decimal places asneeded.)
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