5.- The Physicians' Foundation reported that 58% of all general practice physicians in the United Statesdo not recommend medicine as a career. Let us define X as number of general practice physicians whodo not recommend medicine as a career in a sample of n = 30 physicians.a) Find the mean and standard deviation of X.Answer: µ ==b) Find the probability that at least fifteen general practice physicians do not recommend medicine as acareer. Answer:c) Find P(15 < X < 21) =

Given that the Physician's Foundation reported that 58% of all general practice physicians in the…

Answered: 5.- The Physicians' Foundation reported…

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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An instructor gives a test to a class containing several hundred students. It is known that the standard deviation of the scores is 14 points. A random sample of 49 scores is obtained. a. What is the probability that the average score of the students in the sample will differ from the overall average by more than 2 points? b. What is the probability that the average score of the students in the sample will be within 3 points of the overall average?
An Olympic archer is able to hit the bull's-eye 82% of the time. Assume each shot is independent of the others. She shoots 7 arrows. a) How many bull's-eyes do you expect her to get? b) What is the standard deviation? c) If she keeps shooting arrows until she hits the bull's-eye, how long do you expect it will take? ... a) The expected number of bull's-eyes is (Round to two decimal places as needed.) b) The standard deviation is (Round to two decimal places as needed.) c) The expected number of shots is (Round to two decimal places as needed.)
The annual per capita consumption of bottled water was 30.8 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 30.8 and a standard deviation of 13 gallons. a. What is the probability that someone consumed more than 41 gallons of bottled water? b. What is the probability that someone consumed between 25 and 35 gallons of bottled water? c. What is the probability that someone consumed less than 25 gallons of bottled water? d. 99.5% of people consumed less than how many gallons of bottled water? a. The probability that someone consumed more than 41 gallons of bottled water is (Round to four decimal places as needed.) b. The probability that someone consumed between 25 and 35 gallons of bottled water is (Round to four decimal places as needed.) c. The probability that someone consumed less than 25 gallons of bottled water is (Round to four decimal places as needed.) d. 99.5% of people consumed less than (Round to two…
Scores on a standardized exam for 2nd graders are approximately normally distributed with a mean of 72 and a standard deviation of 6. a) b) c)
LightCastle Partners, a Bangladeshi business management consultant, employs a large number of data analysts to analyze the data in a survey project. The time it takes for new data analysts to learn the analysis procedure is known to have a normal distribution with a mean of 99 minutes and a standard deviation of 14 minutes. a. What is the probability that the new data analysts will take more than 103 minutes to learn the analysis procedure? b. What is the probability that the new data analysts will take between 65 to 134 minutes to learn the analysis procedure? c. To maintain employee standars, LightCastle does not hire any analyst who fails to learn the process within a specified time. Therefore, what should be the specified time limit if they wish to retain at most 91.24% of new analysts?
A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 693. Assume the scores are normally distributed with a standard deviation of 45. a) Determine the interval of credit scores that are one standard deviation around the mean. b) Determine the interval of credit scores that are two standard deviations around the mean. c) Determine the interval of credit scores that are three standard deviations around the mean. a) The interval of credit scores that are one standard deviation around the mean ranges from (Type integers or decimals. Use ascending order.) b) The interval of credit scores that are two standard deviations around the mean ranges from (Type integers or decimals. Use ascending order.) c) The interval of credit scores that are three standard deviations around the mean ranges from (Type integers or decimals. Use ascending order.) to to to W
Among the details made by the motor factory, 10% are defective. Find the meanand the standard deviation of the number of defective details among 8 randomly chosen.What is the probability that not more than 2 details among them are defective?
Please answer question with details on how to do it. Thank you. 8.) Daily travel times (in minutes) for an airport are normally distributed with mean of 130 and a standard deviation of 17. a.) What is the probability that a random flight has travel time less than 105 minutes? b.) What is the probability that a random flight has travel time more than 170?
Sixty-two percent of seniors attend a particular school in a school district. Assume 500 seniors within this school district are sampled. a. Can this distribution be approximated using the Normal model? Explain. b. Use the Normal approximation to estimate the probability that at least 290 senior students are enrolled at this particular school. c. Use the Normal model to estimate the probability that between 200 and 300 senior students who are sampled are enrolled at this particular school.
The Brac University Debate Team is looking for new members to join the team. The IQ of all the try-out participants is known to follow a normal distribution with a mean of 97 points and a standard deviation of 17 points. To have a shot at joining the team, one must have an IQ between 87 points and 122 points; otherwise the team may end up imbalanced and incompatible. a. What is the probability that a randomly selected try-out participant will not satisfy the IQ requirements? Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the 80 percentile value for the IQ of the participants. Answer in exact fraction, or rounded to at least 2 decimal places. points c. Team members with IQ among the bottom 11.58% of the accepted range are required to attend extra training sessions. What should be the minimum IQ of a debater who wishes to avoid the extra training sessions? Answer in exact fraction, or rounded to at least 2 decimal places. points
1.Calculate the probability of the height being less than 300, if the distribution of height was normal. Use the mean and standard deviations 2.Generate a graph to describe the distribution of height and insert it below. Would you think that the assumption that height was normal is accurate? Why or why not? Are speed and height associated? Why or why not? Generate a graph or table that supports.
According to "Infoplease," 19.1% of the luxury cars manufactured in 2003 were silver. A large car dealership typically sells 45 luxury cars a month.

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