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The heights of South African men are normally distributed with a mean of 64 inches and a standard deviation of 2 inches. a) What is the probability that a randomly selected woman is taller than 66 inches?
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A school's administrators are concerned about absenteeism at their school and the e ect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently
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In a murder trial in Los Angeles, a shoe expert stated that the range of heights of men with a size 12 shoe is 72 inches to 76 inches. Suppose the heights of all men wearing size 12 shoes are normally distributed with a mean of
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The height of males is normally distributed with a mean of 69 inches and a standard deviation of 2.5 inches. What is the probability that the height of a randomly selected male is between 66 and 71 inches?
asked by mark on August 15, 2012 
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Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability distribution of x appears in the table shown below: x 1 2 3 4 5 6 7 p(x) .04 .05 .08 .26 .39 .16 .02 (a)
asked by monea on June 14, 2012 
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The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches. What is the probability that a randomly selected woman in the United States would be ≥69 inches tall?
asked by Sharon on February 25, 2013 
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Tom Cruise is reported to be 5'7.8" tall. Male heights are normally distributed with a mean of 70 inches and a standard deviation of 2.8 inches. Find the probability that; 1) A randomly selected male is Tom Cruise's height or
asked by Rebecca on April 7, 2013 
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assume that the heights of men are normally distributed with a mean of 68.4 inches and a standard deviation of 2.8 inches.if 64 men are randomly selected, find the probability that they have a mean height greater than 69.4 inches
asked by veedu on June 18, 2012 
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Find the probability that a randomly selected sample of 30 men has a mean greater than 68 inches. The mean height of men is 69 inches and standard deviation of 2.8 inches
asked by Kim on November 6, 2011 
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suppose a population of nursing students heights is normally distributed with a population mean of 166 cm and a population stanadr deviation of 7.5cm if a female is randomly selected from this population, what is the probability
asked by Mike on October 31, 2011