Problem 1SE: 6.1-6.4 Directions Determine whether each of the following variables would best be modeled as... Problem 2SE: 6.1-6.4 Directions Determine whether each of the following variables would best be modeled as... Problem 3SE: 6.1-6.4 Directions Determine whether each of the following variables would best be modeled as... Problem 4SE: 6.1-6.4 Directions Determine whether each of the following variables would best be modeled as... Problem 5SE: Loaded Die (Example 2) A magician has shaved an edge off one side of a six-sided die, and as a... Problem 6SE Problem 7SE: Distribution of Two Thumbtacks When a certain type of thumbtack is flipped, the probability of its... Problem 8SE: Distribution of Two Coin Flips When a fair coin is flipped, the probability of its landing heads (H)... Problem 9SE: Two Thumbtacks a. From your answers in Exercise 6.7, find the probability of getting 0 ups, 1 up, or... Problem 10SE: Two Coins a. From your answers in Exercise 6.8, find the probability of getting 0 heads, 1 head, or... Problem 11SE: Snow Depth (Example 3) Eric wants to go skiing tomorrow, but only if there are 3 inches or more of... Problem 12SE: Snow Depth Refer to Exercise 6.11. What is the probability that the amount of new snow will be... Problem 13SE: Applying the Empirical Rule with z-Scores The Empirical Rule applies rough approximations to... Problem 14SE: IQs Wechsler IQs are approximately Normally distributed with a mean of 100 and a standard deviation... Problem 15SE: SAT Scores Quantitative SAT scores are approximately Normally distributed with a mean of 500 and a... Problem 16SE: Women’s Heights Assume that college women’s heights are approximately Normally distributed with a... Problem 17SE: Women’s height (Example 4) College women have a mean height of inches and a standard deviation of... Problem 18SE: Act scores ACT score are approximately Normally distributed with a mean of 21 and a at standard... Problem 19SE: Standard Normal Use the table or technology to answer each question. Include an appropriately... Problem 20SE: Standard Normal Use a table or technology to answer each question. Include an appropriately labeled... Problem 21SE: Standard Normal Use a table or technology to answer each question. Include an appropriately labeled... Problem 22SE: Standard Normal Use a table or technology to answer each question. Include an appropriately labeled... Problem 23SE: Extreme Positive z -Scores For each question, find the area to the right of the given z -score in a... Problem 24SE: Extreme Negative z-Scores For each question, find the area to the right of the given z-score in a... Problem 25SE: Females' SAT Scores (Example 5) According to data from the College Board, the mean quantitative SAT... Problem 26SE: Males' SAT Scores According to data from the College Board, the mean quantitative SAT score for male... Problem 27SE: Stanford-Binet IQs Stanford-Binet IQ scores for children are approximately Normally distributed and... Problem 28SE: Stanford-Binet IQs Stanford-Binet IQs for children are approximately Normally distributed and have... Problem 29SE: Birth Length (Example 6) According to National Vital Statistics, the average length of a newborn... Problem 30SE: White Blood Cells The distribution of white blood cell count per cubic millimeter of whole blood is... Problem 31SE: Red Blood Cells: Men The distribution of red blood cell counts is different for men and women. For... Problem 32SE: Red Blood Cells: Women Answer the previous question for the women. Problem 33SE: SAT Scores in Alaska In Alaska in 2010, the average critical reading SAT score was 518. Assume that... Problem 34SE: SAT Scores in Connecticut In Connecticut in 2010, the average critical reading SAT score was 509.... Problem 35SE: SAT Scores in New Jersey In New Jersey in 2010, the average critical reading SAT score was 495.... Problem 36SE: SAT Scores in Texas In Texas in 2010, the average critical reading SAT score was 484. Assume that... Problem 37SE: New York City Weather New York City’s mean minimum daily temperature in February is 27F... Problem 38SE: Women's Heights Assume for this question that college women's heights are approximately Normally... Problem 39SE: Probability or Measurement (Inverse)? (Example 7) The Normal model N500,100 describes the... Problem 40SE: Probability or Measurement (Inverse)? The Normal model N65,2.5 describes the distribution of heights... Problem 41SE: Inverse Normal, Standard In a standard Normal distribution, if the area to the left of a z - score... Problem 42SE: Inverse Normal, Standard In a standard Normal distribution, if the area to the left of a z -score is... Problem 43SE: Inverse Normal, Standard Assume a standard Normal distribution. Draw a separate, well-labeled Normal... Problem 44SE: Inverse Normal, Standard Assume a standard Normal distribution. Draw a separate, well-labeled Normal... Problem 45SE: Females' SAT Scores (Example 8) According to the College Board, the mean quantitative SAT score for... Problem 46SE: Males' SAT Scores According to the College Board, the mean quantitative SAT score for male... Problem 47SE: Tall Club, Women Suppose there is a club for tall people that requires that women be at or above the... Problem 48SE: Tall Club, Men Suppose there is a club for tall people that requires that men be at or above the... Problem 49SE: Women’s Heights Suppose college women’s heights are approximately Normally distributed with a mean... Problem 50SE: Men’s Heights Suppose college men’s heights are approximately Normally distributed with a mean of... Problem 51SE: Inverse SATs Critical reading SAT scores are distributed as N500,100. a. Find the SAT score at the... Problem 52SE: Inverse Women’s Heights College women have heights with the following distribution (inches):... Problem 53SE: Girls’ and Women’s Heights According to the National Health Center, the heights of 6-year-old girls... Problem 54SE: Boys’ and Men’s Heights According to the National Health Center, the heights of 5-year-old boys are... Problem 55SE: Cats’ Birth Weights The average birth weight of domestic cats is about 3 ounces. Assume that the... Problem 56SE: Elephants’ Birth Weights The average birth weight of elephants is 230 pounds. Assume that the... Problem 57SE: Gender of Children (Example 10) A married couple plans to have four children, and they are wondering... Problem 58SE: Coin Flip A coin will be flipped four times, and the number of heads recorded. Explain why this is a... Problem 59SE: Coin Flips (Example 10) A teacher wants to find out whether coin flips of pennies have a 50 chance... Problem 60SE: Twins In Exercise 6.59 you are told to assume that none of the children will be twins or other... Problem 61SE: Divorce Suppose that the probability that a randomly selected person who has recently married for... Problem 62SE: Divorce Suppose that the probability that a randomly selected person who has recently married for... Problem 63SE: Identifying n, p, and x (Example 11) For each situation, identify the sample size n, the probability... Problem 64SE: Identifying n, p, and x For each situation, identify the sample size n, the probability of success... Problem 65SE: Stolen Bicycles (Example 12) According to the Sydney Morning Herald, 40 of bicycles stolen in... Problem 66SE: Florida Recidivism Rate The three-year recidivism rate of parolees in Florida is about 30; that is,... Problem 67SE Problem 68SE: Cornell Admission The undergraduate admission rate at Cornell University in 2012 was 16. a. Assuming... Problem 69SE: Wisconsin Graduation Wisconsin has the highest high school graduation rate of all states at 90#37;.... Problem 70SE: Colorado Graduation Colorado has a high school graduation rate of 75#37;. a. In a random sample of... Problem 71SE: Florida Homicide Clearance The homicide clearance in Florida is 60. A crime is cleared when an... Problem 72SE: Virginia Homicide Clearance The homicide clearance rate in Virginia is 74. A crime is cleared when... Problem 73SE: DWI Convictions (Example 13) In New Mexico, about 70 of drivers who are arrested for driving while... Problem 74SE: Internet Access A 2013 Gallup poll indicated that about 80 of U.S. households had access to a... Problem 75SE: Drunk Walking You may have heard that drunk driving is dangerous, but what about drunk walking?... Problem 76SE: Texting While Driving According to a Pew poll in 2012, 58 of high school seniors admit to texting... Problem 77SE: Coin Flip (Example 14) A fair coin is flipped 50 times. a. What is the expected number of heads? b.... Problem 78SE: Drivers Aged 60-65 According to GMAC Insurance, 20 of drivers aged 60-65 fail the written drivers'... Problem 79SE Problem 80SE Problem 81CRE: Birth Length A study of U.S. births published on the website Medscape from WebMD reported that the... Problem 82CRE: Birth Length A study of U.S. births published on the website Medscape from WebMD reported that the... Problem 83CRE: Males’ Body Temperatures A study of human body temperatures using healthy men showed a mean of 98.1F... Problem 84CRE: Females’ Body Temperatures A study of human body temperatures using healthy women showed a mean of... Problem 85CRE Problem 86CRE: Cremation Rates in Mississippi, Binomial and Empirical Rule Cremation rates have been increasing in... Problem 87CRE Problem 88CRE: Quantitative SAT Scores, Normal and Binomial The distribution of the math portion of SAT scores has... Problem 89CRE Problem 90CRE: Birth Length and z-Scores, Inverse Babies in the United States have a mean birth length of 20.5... format_list_bulleted