In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.3. 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 493. The probability that a randomly selected medical student who took the test had a total score that was less than 493 is nothing. (Round to four decimal places as needed.) (b) Find the probability that a randomly selected medical student who took the test had a total score that was between 496 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 496 and 510 is nothing. (Round to four decimal places as needed.) (c) Find the probability that a randomly selected medical student who took the test had a total score that was more than 527. The probability that a randomly selected medical student who took the test had a total score that was more than 527 is nothing. (Round to four decimal places as needed.)
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.3. 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 493. The probability that a randomly selected medical student who took the test had a total score that was less than 493 is nothing. (Round to four decimal places as needed.) (b) Find the probability that a randomly selected medical student who took the test had a total score that was between 496 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 496 and 510 is nothing. (Round to four decimal places as needed.) (c) Find the probability that a randomly selected medical student who took the test had a total score that was more than 527. The probability that a randomly selected medical student who took the test had a total score that was more than 527 is nothing. (Round to four decimal places as needed.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Question
In a recent year, the total scores for a certain standardized test were normally distributed , with a mean of
500
and a standard deviation of
10.3.
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
493.
The probability that a randomly selected medical student who took the test had a total score that was less than
493
is
nothing.
(Round to four decimal places as needed.)
(b) Find the probability that a randomly selected medical student who took the test had a total score that was between
496
and
510.
The probability that a randomly selected medical student who took the test had a total score that was between
496
and
510
is
nothing.
(Round to four decimal places as needed.)
(c) Find the probability that a randomly selected medical student who took the test had a total score that was more than
527.
The probability that a randomly selected medical student who took the test had a total score that was more than
527
is
nothing.
(Round to four decimal places as needed.)
(d) Identify any unusual events. Explain your reasoning. Choose the correct answer below.
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