Mrpowermath.weebly.com



The number of calories burned at the gym is normally distributed with a mean of 425 and a standard deviation of 51. Find z-scores for each data value. 268 Calb. 512 Cal c. 450 CalThe air pressure of each tire in a group is normally distributed with a mean of 39.2 psi and a standard deviation of 2.5 psi. Find z-scores for each sample below. 37.6 psib. 38.1 psic. 40.4 psi A set of math test scores is normally distributed with a mean of 81 and a standard deviation of 5. Find the z-score for the following student scores. Adam: 74b. Betty: 87c. Christine: 94 Qualifying times in the men’s 100m freestyle at the 2016 Olympics are normally distributed with a mean time of 48.30 seconds and a standard deviation of 0.61 seconds. Use the z-scores below to find the actual swim timesZ = -1.31b. Z = 3.12c. Z = 0.68 The prices of various cereal brands is normally distributed with a standard deviation of $0.61 and a mean of $3.21. If Lucky Charms has a z-score of 1.60 and Honey Nut Cheerios has a z-score of -2.40, determine their difference in price.The number of days a house stays on the market is normally distributed with a mean of 50 days and a standard deviation of 13 days. Determine the percent of homes with a z-score lower than -1.59Determine the percent of homes with a z-score lower than 2.42Determine the percent of homes with a z-score higher than 1.78 Port Saint Lucie’s daily average temperature for August is normally distributed with a mean of 84.2?F and a standard deviation of 3.2 ?F. Determine the percent of days with: Temperature lowers than 70 ?FTemperature lower than 91 ?FTemperature between 80 ?F and 85 ?F Gas mileage averages for Ford’s new hybrid truck are normally distributed with a mean of 46.3 mpg and a standard deviation of 5.6 mpg. Determine the percent of trucks with:Mileage lower than 37.2 mpgMileage greater than 52.4 mpgMileage between 40 and 50 mpg The number of points per game by the Miami Heat for the 2015 NBA season are normally distributed, with a mean of 104.33 points and a standard deviation of 11.0 points. Determine the percent of games where they score:More than 125 pointsLess than 84 pointsBetween 95 and 115 points The 2014 freshman class at UCF has 6,513 students. Their weighted high school GPA’s are normally distributed, with an average of 3.84 and a standard deviation of 0.32. Determine the number of students admitted with a GPA below 3.25 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download