What is the percentage score less than 120? Please write legibly for study purpose 17.jpg
What is the percentage score less than 120? Please write legibly for study purpose
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Use the normal distribution of 10 scores, which has a mean of 120 and a standard deviation of 14, and the following table with the standard scores and percentiles for a
normal de tribution to find the indicated quantity
IT Click the Icon to view the table.
Data Table
– X
Percentage of scores less than 120 5%%
(Round to two decimal places as needed ]
Standard Scores and Percentiles for a Normal Distribution
( cumulative values from the left)
Full data set
Standard score
Standard
-3.0
0.13
53.98
-25
0.62
0.5
69 15
-2
2 28
0.5
81 59
-15
84 13
-1
15.87
1.5
93 32
-0.9
18.4
2
97 72
-0.5
30.85
25
59.38
46.02
99 87
50 00
99 98
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