Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.The mean monthly income of trainees at a local mill is $1100 with a standard deviation of $150. Find the probability that a trainee earns less than $900 a month.
A. 19%
B. 8%
C. 90%
D. 9%
Answer: D
Mathematics
You might also like to view...
Find the area of the specified region.Inside the circle r = 8 cos ? + 3 sin ?
A. 
B. 
+ 12
C. 12?
D. 
Mathematics
Find the period of the function.y = sin 3x
A. 3
B. 1
C. 2?
D. 
Mathematics
Arrange the group of numbers in order, from least to greatest.0.09, 0.01, 0.019, 0.091
A. 0.019, 0.091, 0.01, 0.09 B. 0.01, 0.019, 0.09, 0.091 C. 0.01, 0.09, 0.019, 0.091 D. 0.091, 0.019, 0.09, 0.01
Mathematics
Solve the problem.Ellen wishes to mix candy worth $2.23 per pound with candy worth $3.78 per pound to form 25 pounds of a mixture worth $3.47 per pound. How many pounds of the more expensive candy should she use?
A. 25 pounds B. 20 pounds C. 7 pounds D. 5 pounds
Mathematics