When *Attached image* is solved for w, one equation is ______. Which of the following is an equivalent equation to find w?
1 answer:
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Answer:
The cutoff for a failing score was 40,
Approximately 2.3% of the students failed.
Step-by-step explanation:
Given,
Mean,
Standard deviation,
Let x represents the cutoff for a failing score,
Thus, according to the question,
Thus, the cutoff for a failing score is 40,
∵ P(<-2) = 0.02275 = 2.275 % ≈ 2.3 %
Hence, Approximately 2.3 % of the students failed.
Answer:
x
Step-by-step explanation:
(–3÷(–3/(x–2)))+2
=((–3×(x–2))÷(–3))+2
=(1×(x–2)÷1)+2
=(x–2)+2
=x
