In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 20.9 and a standard deviation of 6.5. 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 18. The probability of a student scoring less than 18 is (Round to four decimal places as needed.)

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In a recent year, the scores for the reading portion of a test were
normally distributed, with a mean of 20.9 and a standard deviation of 6.5.
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 18.
The probability of a student scoring less than 18 is
(Round to four decimal places as needed.)
Transcribed Image Text:In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 20.9 and a standard deviation of 6.5. 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 18. The probability of a student scoring less than 18 is (Round to four decimal places as needed.)
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