christylivingsowzxa2
28.09.2019 •
Mathematics
The sat mathematics scores in the state of florida are approximately normally distributed with a mean of 500 and a standard deviation of 100. using the empirical rule, what is the probability that a randomly selected student’s math score is between 300 and 700? express your answer as a decimal.
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Ответ:
The answer is 0.95
Step-by-step explanation:
Under the empirical rule, or the three sigma rule or 68-95-99.7 rule, as given in the question 300 and 700 are two standard deviations from the mean 500. So, the probability that a randomly selected students math score is between 300 and 700 is 0.95.
Ответ:
answer:
12c
Step-by-step explanation: