Mathematics, 14.04.2021 01:50 maxicanofb0011

On a nationwide test taken by high school students, the mean score was 46 and the standard deviation was 13. The scores were normally distributed. Complete the following statements.
(a) Approximately ?
of the students scored between 7 and 85.

(b) Approximately 95% of the students scored between and

Answers: 1

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On a nationwide test taken by high school students, the mean score was 46 and the standard deviation was 13. The scores were normally distributed. Complete the following statements. (a) Approximately ? of the students scored between 7 and 85. (b) Approximately 95% of the students scored between and

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