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In a recent year, the scores for the reading portion of a test were normally distibuted, with a
mean of 23.5 and a standived devinfon of 54 . Complete pars (4) 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 2578. (Round
to four decimal places as needed.) (b) Find the probability that a randomly selected high school
student who took the reading portion of the test has a score that is between 175 and 295 The
probability of a student scoring between 17.5 and 29.5 is (Round to four decimal places as
needed.) (c) Find the probability that a randomly selected high school student who took the
reading portion of the test has a score than is more than 34.5 The probability of a student scoring
more than 34.5 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 n.pdf

  • 1. In a recent year, the scores for the reading portion of a test were normally distibuted, with a mean of 23.5 and a standived devinfon of 54 . Complete pars (4) 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 2578. (Round to four decimal places as needed.) (b) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is between 175 and 295 The probability of a student scoring between 17.5 and 29.5 is (Round to four decimal places as needed.) (c) Find the probability that a randomly selected high school student who took the reading portion of the test has a score than is more than 34.5 The probability of a student scoring more than 34.5 is (Round to four decimal places as needed.)