using a list or tree diagram, show all the possible outcomes for tossing three coins one time, using the letter H when a coin fa
1 answer:
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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