(a) Approximately ? v of the students scored between 18 and 84. (b) Approximately 95% of the students scored between I and I.

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On a nationwide test taken by high school students, the mean score was 51 and the standard deviation was 11. The scores were normally distributed.
Complete the following statements.
(a) Approximately ?
v of the students scored between 18 and 84.
(b) Approximately 95% of the students scored between O and O.
Transcribed Image Text:On a nationwide test taken by high school students, the mean score was 51 and the standard deviation was 11. The scores were normally distributed. Complete the following statements. (a) Approximately ? v of the students scored between 18 and 84. (b) Approximately 95% of the students scored between O and O.
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