exam Maths Puzzle Numerical Ability

Butler County recorded inches of rain during the past 5 months.

If this trend continues, how many inches of rain will fall in the next 2 months?

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exam Other Question

3+ m/-10 = 6 A placement exam for entrance into a math class yields a mean of 80 and a standard deviation of 10. The distribution of the scores is roughly bell-shaped. Use the Empirical Rule to find the percentage of scores that lie between 60 and 80.