(Answered) Use the normal distribution of iqnbspscores which has a

Statistics

Use the normal distribution of IQ? scores, which has a mean of 85 and a standard deviation of 16, and the following table with the standard scores and percentiles for a normal distribution to find the indicated quantity.

Standard score / Percent

-3.0 / 0.13

-2.5 / 0.62

-2 / 2.28

-1.5 / 6.68

-1 / 15.87

-0.9 / 18.41

-0.5 / 30.85

-0.1 / 46.02

0 / 50.00

0.10 / 53.98

0.5 / 69.15

0.9 / 81.59

1 / 84.13

1.5 / 93.32

2 / 97.72

2.5 / 99.38

3 / 99.87

3.5 / 99.98

Find the percentage of scores between 45 and 117. Round to two decimal places.

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