Question

Find the 90th percentile.

The scores for a certain test of intelligence are normally distributed with mean 85 and standard deviation 11. Find the 90th percentile of these scores E Click the icon to view the table of standard scores and percentiles. More Info The 90th percentile is (Round to the nearest whole number as needed.) Standard Scores and Percentiles z-score Percentile z-score Percentile z-score Percentile z-score Percentile 00.02 3.0 00.13 2.9 00.19 2.8 00.26 2.7 00.35 2.6 00.47 2.5 00.62 -2.4 00.82 2.3 01.07 2.2 01.39 01.79 15.87 -0.95 17.11 -0.90 18.41 0.85 19.77 -0.80 21.19 -0.75 22.66 0.7024.20 -0.65 25.78 0.60 27.43 0.55 29.12 -0.50 30.85 -0.45 32.64 0.40 34.46 0.35 36.32 0.30 38.21 0.25 40.13 -0.20 42.07 -0.15 44.04 0.10 46.02 0.05 48.01 50.00 0.00 0.05 50.00 51.99 53.98 55.96 57.93 59.87 61.79 63.68 65.54 67.36 69.15 70.88 72.57 74.22 75.80 77.34 78.81 80.23 81.59 82.89 84.13 -3.5 86.43 88.49 90.32 91.92 93.32 94.52 95.54 96.41 97.13 97.72 98.21 98.61 98.93 99.18 99.38 99.53 99.65 99.74 99.81 99.87 99.98 0.25 0.35 2.0 02.28 _ 0.55 2.2 1.9 02.87 - 1.8 03.59 -1.704.46 - 1.6 05.48 1.5 06.68 -1.4 08.08 -1.3 09.68 0.65 0.70 0.75 0.80 0.85 0.95 Enter vour answer in the answer box 13.57

Answer 1

Solution Giventtha So using standard normal table P(乙ㄑㄧ-28) =ㅇ..go 乙二1.28 1) sin 7-Scare For mula gg (Round to nearest whals hunber Te 3oth percentile is 99