Use the interactive spinner to simulate who among Elisondra and her three friends will order first during 40 restaurant visits.
2 answers:
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Solution: We are given:
We know that a usual values of the test scores falls within 2 standard deviation from the mean.
Therefore, the minimum usual test score is:
The maximum usual test score is:
Therefore, the minimum and maximum “usual” values of the test scores are:
65.4 and 90.6