following: a) The percent of students that scored over 575. b) The number of students that scored less than 425. c) The probability of a student selected at random having scored between 400 and 510.

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HEEFT
At a local high school 5000 juniors and seniors recently
took an aptitude test. The results of the exam were nor-
mally distributed with μ 450 and σ = 50. Calculate the
following:
=
a) The percent of students that scored over 575.
b) The number of students that scored less than 425.
c) The probability of a student selected at random having
scored between 400 and 510.
Transcribed Image Text:esc 86. F * F1 ! 1 2 F2 # 3 80 F3 $ 4 888 F4 % 5 A FS MacBook Air ^ 6 F6 & 7 44 F7 * 8 DII FB ( 9 DD F9 ) 0 F10 F11 + = 4) F12 delete HEEFT At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were nor- mally distributed with μ 450 and σ = 50. Calculate the following: = a) The percent of students that scored over 575. b) The number of students that scored less than 425. c) The probability of a student selected at random having scored between 400 and 510.
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