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Answer:
From this info and using the empirical rule we know that we will have about 68% of the scores between:
95 % of the scores between:
And 99.7% of the values between
Step-by-step explanation:
For this problem we can define the random variable of interest as "the student grades" and we know that the distribution for X is given by:
From this info and using the empirical rule we know that we will have about 68% of the scores between:
95 % of the scores between:
And 99.7% of the values between