Question
Hw 15Q15)In a recentyear, the total scores for a certain standardized test were normallydistributed, with a mean of 500 and a standard deviation of 10.4.
Hw 15Q15)In a recentyear, the total scores for a certain standardized test were normallydistributed, with a mean of 500 and a standard deviation of 10.4. Answer parts (a)-(d) below.
(a) Find the probability that a randomly selected medical student who took the test had a total score that was less than 491.
The probability that a randomly selected medical student who took the test had a total score that was less than 491 is
0.1934
0.1934.
(Round to four decimal places asneeded.)
(b) Find the probability that a randomly selected medical student who took the test had a total score that was between 500 and 512.
The probability that a randomly selected medical student who took the test had a total score that was between 500 and 512 is
0.3757
0.3757.
(Round to four decimal places asneeded.)
(c) Find the probability that a randomly selected medical student who took the test had a total score that was more than 530.
The probability that a randomly selected medical student who took the test had a total score that was more than 530 is
.
(Round to four decimal places asneeded.)
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