Question: Lexie averages 149 points per bowling game with a standard deviation of 14 points. Suppose Lexie's points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(149,14).
Question: Suppose X∼N(18,2), and x=22. Find and interpret the z-score of the standardized normal random variable.
Question: Suppose X∼N(12.5,1.5), and x=11. Find and interpret the z-score of the standardized normal random variable.
Isabella averages 17 points per basketball game with a standard deviation of 4 points. Suppose Isabella's points per basketball game are normally distributed. Let X= the number of points per basketball game. Then X∼N(17,4).
Question: Suppose X∼N(13.5,1.5), and x=9. Find and interpret the z-score of the standardized normal random variable
Question: Suppose X∼N(10,0.5), and x=11.5. Find and interpret the z-score of the standardized normal random variable.
Question: Annie averages 23 points per basketball game with a standard deviation of 4 points. Suppose Annie's points per basketball game are normally distributed. Let X= the number of points per basketball game. Then X∼N(23,4).
Question: Suppose X∼N(9,1.5), and x=13.5. Find and interpret the z-score of the standardized normal random variable.
Question: Rosetta averages 148 points per bowling game with a standard deviation of 14 points. Suppose Rosetta's points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(148,14).
Question: Suppose X∼N(5.5,2), and x=7.5.
Question: Jerome averages 16 points a game with a standard deviation of 4 points. Suppose Jerome's points per game are normally distributed. Let X = the number of points per game. Then X∼N(16,4).
Question: John averages 58 words per minute on a typing test with a standard deviation of 11 words per minute. Suppose John's words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(58,11).
Question: Suppose X∼N(16.5,0.5), and x=16.
Question: Gail averages 64 words per minute on a typing test with a standard deviation of 9.5 words per minute. Suppose Gail's words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(64,9.5).
Question: William averages 58 words per minute on a typing test with a standard deviation of 10.5 words per minute. Suppose William's words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(58,10.5).
Question: Hugo averages 22 points per basketball game with a standard deviation of 4 points. Suppose Hugo's points per basketball game are normally distributed. Let X= the number of points per basketball game. Then X∼N(22,4).
Question: In 2014, the CDC estimated that the mean height for adult women in the U.S. was 64 inches with a standard deviation of 4 inches. Suppose X, height in inches of adult women, follows a normal distribution. Let x=68, the height of a woman who is 5' 8" tall. Find and interpret the z-score of the standardized normal random variable.
Question: Suppose X∼N(16.5,2), and x=18.5.
Question: Suppose X∼N(6.5,1.5), and x=3.5.
Question: Suppose X∼N(20,2), and x=26.
Question: Isabella averages 152 points per bowling game with a standard deviation of 14.5 points. Suppose Isabella's points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(152,14.5).
Instituition / Term
Term
Summer 2020
Institution
MATH 225N Statistical Reasoning for the Health Sciences
