Which equation represents the hanger below. x represents the triangles while y represents the square
2 answers:
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Since the deepest point of Death Valley is below sea level, its altitude is negative. So, the difference between the altitudes is
Subtracting a negative means to add, so we have
Answer: 95% of all people work between 7 hours and 9 hours per day and It is true.
Step-by-step explanation:
Since we have given that
Mean = 8 hours
Standard deviation = 0.5 hours
According to Empirical Rule,
at 95% confidence, it lies within 2 standard deviations from the mean
so, lower value is given by
upper value is given by
Hence, 95% of all people work between 7 hours and 9 hours per day.
Therefore , it is true.