Find the percent of the total area under the standard normal curve between the following z-scores. z = -1.6 and z= -0.8 The percent of the total area between z = -1.6 and z = -0.8 is %. ...
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- Find the z-score that has 3.851% of the distribution's area to its left. The Z-score is (Round to two decimal places as needed.) CUse the table below to find the percentage of data items in a normal distribution that lie between z= - 1 and z = 1. Click the icon to view the table. - X Data Table The percentage of data items in a normal distribution that lie between z = - 1 and z= 1 is %. z-SCORES AND PERCENTILES -Score Percentile z-Score Percentile z-Score Percentile -Score Percentile -4.0 0.003 -1.0 15.87 0.0 50.00 1.1 86.43 -3.5 0.02 -0.95 17.11 0.05 51.99 1.2 88.49 -3.0 0.13 -0.90 18.41 0.10 53.98 1.3 90.32 -2.9 0.19 -0.85 19.77 0.15 55.96 1.4 91.92 -2.8 0.26 -0.80 21.19 0.20 57.93 1.5 93.32 -2.7 0.35 -0.75 22.66 0.25 59.87 1.6 94.52 -2.6 0.47 -0.70 24.20 0.30 61.79 1.7 95.54 -2.5 0.62 -0.65 25.78 0.35 63.68 1.8 96.41 -2.4 0.82 -0.60 27.43 0.40 65.54 1.9 97.13 -2.3 1.07 -0.55 29.12 0.45 67.36 2.0 97.72 -2.2 1.39 -0.50 30.85 0.50 69.15 2.1 98.21 -2.1 1.79 -0.45 32.64 0.55 70.88 2.2 98.61 -2.0 2.28 -0.40 34.46 0.60 72.57 2.3 98.93 -1.9 2.87 -0.35 36.32 0.65 74.22 2.4 99.18 -1.8 3.59 -0.30 38.21 0.70 75.80 2.5…Use the table below to find the percentage of data items in a normal distribution that lie a. below and b. above a z-score of -2.6. -3.0 -2.9 -2.8-2.7 -2.6/-25/-24/-2.3/-22/-21 Percentile 0.13 0 19 0.26 0.35 0.47 0.62 0.82/107/1.39/179 -2.0 1.9 -18-1.7 -16 -15 -14 -13/-12/-11 Percentile 2.28 2.87 3.59 4 46 5.48 6.68 8.08 9.68/11.51/13.57 -0.7 -0,6 -05-04/-03/-0,2/-01 Percentile 15.87 18.41 21.19 24.20 27.43 30.85/34.46|38.21/42.07/46.02| Z-Score Z-score Z-Score -1.0 -0.9 a. The nercentage of data items that lie below the z-score is ! % T% (1.0) ces
- The annual per capita consumption of ice cream (in pounds) in the United States can be approximated by the normal distribution, as shown in the figure to right. the (a) What is the largest annual per capita consumption of ice cream that can be in the bottom 9% of consumptions? (b) Between what two values does the middle 80% of the consumptions lie? UN H=19.8 4.3 8 20 32 Consumption (in lbs)What is the proportion of the normal distribution that is located beyond z = 2.20? a. 0.9861 b. 0.0139 c. 0.4878 d. 0.0456What proportion of a normal distribution is located between the mean and z = 1.40? a. 0.9192 c. 0.4192 b. 0.0808 d. 0.8384
- Find the z-score for which 85% of the distribution's area lies to its right. O-1.96 O-2.04 O-1.04 O-0.394. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A vertical line drawn through a normal distribution at z = +2.11 separates the distribution into two sections, the body and the tail. Which proportion of the distribution is in the tail?Use the table below to find the percentage of data items in a normal distribution that lie a. below and b. above a z-score of - 1.4. -2.2 -2.1 1.39 1.79 -1.2 -1.1 2.28 2.87 3.59 4.46 5.48 6.68 8.08 9.68 11.51 13.57 z-score Percentile -2.6| -2.5 0.13 0.19 0.26 0.35 0.47 0.62 0.82 1.07 -3.0 -2.9 -2.8 -2.7 -2.4 -2.3 -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 z-score Percentile -1.3 z-score -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 Percentile 15.87 18.41 21.19 24.20 27.43 30.85 34.46 38.21 42.07 46.02 a. The percentage of data items that lie below the z-score is 8.08 %. b. The percentage of data items that lie above the z-score is %.
- Find the following percentage rank using the pictureWhich proportion of a normal distribution is located bwteen z = --1.75 and z = +1.75?Remember that the normal curve has 100% total area under the curve and standard units on the x-axis. What is the standard unit value that has 30% of the area to the left of it? In other words, what is the 30th percentile of the normal curve? Choose the answer that is closest. Group of answer choices -0.4 0.4 0.5 -0.5 -0.3 0.3 PreviousNext