To subtract this number you should break it down first. Try subtracting $25.00 -12.75 and then take that answer and subtract it by $8.50.
The answer is B Complementary
Answer:
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Assuming a standard normal distribution, the positive value of interest will be that corresponding to the 50 + 36/2 = 68th percentile. A suitable probability calculator will give that value as 0.46770.
The values that are within ±0.46770 standard deviations from the mean will have a probability of 0.36.