<span>Mean = 270
Standard deviation = 10
x = 255
Formula for z-score, z = (x - mean)/SD
z = (255 - 270) / 10
=> z = -15 / 10 => z = -1.5
So by referring to z-table, -1.5 correlates to 0.0668 that implies to 0.07
So 7% of the boxes of Apples weight less than 255oz.
The percentage of boxes is in the range of 255 oz and 270 oz,
Now calculating the requiring percentage 50% - 7% = 43%</span>
The correct answer is B) $50 per hour. Hope this helps!
Answer
144
Step-by-step explanation:
12*12
Answer:
0.3
Step-by-step explanation:
30/(30+20+50) = 30/100 = 0.3
