(c) Find the probability that a randomly selected medical student who took the test had a total score that was morethan 523.The probability that a randomly selected medical student who took the test had a total score that was more than 523is.(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 (c) is unusual because its probability is less than 0.05.C. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.D. The event in part (a) is unusual because its probability is less than 0.05. In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and astandard deviation of 10.6. 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 lessthan 493.The probability that a randomly selected medical student who took the test had a total score that was less than 493 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 between496 and 511.The probability that a randomly selected medical student who took the test had a total score that was between 496and 511 is(Round to four decimal places as needed.)

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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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(b) Scores for a particular standardized test are normally distributed with a mean of 80 and a standard deviation of 14. Find the probability that a randomly chosen score is i. No greater than 70ii. At least 95 iii. Between 70 and 95 iv. A student was told that her percentile score on this exam is 72%. Approximately what is her raw score
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.1 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. (a) Find the probability that a study participant has a height that is less than 68 inches. The probability that the study participant selected at random less than 68 inches tall is . (Round to four decimal places as needed.)
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $83 and $110, and (c) more than $140. ... (a) The probability that a randomly selected utility bill is less than $66 is (Round to four decimal places as needed.)
In a recent study on world happiness, participants were asked with a mean of 6.1 and a standard deviation of 2.3. Answer parts (a)-(d) below. evaluate their current lives on a scale from 0 to 10, where O represents the worst possible life and 10 represents the best possible life. The responses were nomally distributed, (a) Find the probability that a randomly selected study participant's response was less than 4. The probability that a randomly selected study participant's response was less than 4 is 0.1806. (Round to four decimal places as needed.) (b) Find the probability that a randomly selected study participant's response was between 4 and 6. The probability that a randomly selected study participant's response was between 4 and 6 is- (Round to four decimal places as needed.)
Answer B)
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.4 inches and a standard deviation of 3.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. (a) Find the probability that a study participant has a height that is less than 66 inches. The probability that the study participant selected at random is less than 66 inches tall is (Round to four decimal places as needed.) (b) Find the probability that a study participant has a height that is between 66 and 71 inches. The probability that the study participant selected at random is between 66 and 71 inches tall is | (Round to four decimal places as needed.) (c) Find the probability that a study participant has a height that is more than 71 inches. The probability that the study participant selected at random is more than 71 inches tall is . (Round to four decimal places as needed.) (d) Identify any unusual events. Explain your reasoning. Choose…
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