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11. 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 10.8. 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 486. The probability that a randomly selected medical student who took the test had a total score that was less than 486 is (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 495 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 495 and 510 is (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 (Round to four decimal places as needed.) (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. OA. None of the events are unusual because all the probabilities are greater than 0.05. OB. The event in part (a) is unusual because its probability is less than 0.05. OC. The event in part (c) is unusual because its probability is less than 0.05. D. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.

11. 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 10.8. 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 486. The probability that a randomly selected medical student who took the test had a total score that was less than 486 is (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 495 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 495 and 510 is (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 (Round to four decimal places as needed.) (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. OA. None of the events are unusual because all the probabilities are greater than 0.05. OB. The event in part (a) is unusual because its probability is less than 0.05. OC. The event in part (c) is unusual because its probability is less than 0.05. D. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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11. 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 10.8. 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 486. The probability that a randomly selected medical student who took the test had a total score that was less than 486 is (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 495 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 495 and 510 is (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 (Round to four decimal places as needed.) (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. O A. None of the events are unusual because all the probabilities are greater than 0.05. B. The event in part (a) is unusual because its probability is less than 0.05. OC. The event in part (c) is unusual because its probability is less than 0.05. O D. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.
Transcribed Image Text:11. 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 10.8. 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 486. The probability that a randomly selected medical student who took the test had a total score that was less than 486 is (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 495 and 510. The probability that a randomly selected medical student who took the test had a total score that was between 495 and 510 is (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 (Round to four decimal places as needed.) (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. O A. None of the events are unusual because all the probabilities are greater than 0.05. B. The event in part (a) is unusual because its probability is less than 0.05. OC. The event in part (c) is unusual because its probability is less than 0.05. O D. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.
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