Jan. = -15
Feb. = +10
Mar. = -5
Apr. = +50
May = -25
June = -20
⭐ Answered by Hyperrspace (Ace) ⭐
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15.87% of the population does not meet the minimum standards.
We use z-scores to find this probability:
z=(X-μ)/σ = (85-100)/15 = -15/15 = -1
Using a z-table (http://www.-table.com) we see that the area to the left of, less than, this is 0.1587. This is 15.87%.
2x-3+7x-10=32
9x-13=32
9x=32+13
9x=45
x=5
Answer:
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Step-by-step explanation:
