Mathematics, 07.06.2020 08:58 jialala
SAT scores were originally scales so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation of 100 . Use the empirical rule to estimate the probability that a randomly selected students gets a section score between 400 and 700.
a. 68%
b. 95%
c. 81.5%
d. 13.5%
Answers: 3
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