Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20
B. 100
C. 10
D. 500
Answer: C
Mathematics
You might also like to view...
Solve the inequality. Graph the solution set and write it in interval notation.m - 4(m + 6) < 3m
A. (1, ?)
B. (-?, -4)
C. (-4, ?)
D. (-?, 1)
Mathematics
Find the product.(x2 + 9)2
A. x4 + 81 B. 81x4 + 18x2 + 81 C. x2 + 81 D. x4 + 18x2 + 81
Mathematics
Use the unit circle to determine the value of the given expression or state that it is undefined.tan 
A. 1
B. 
C. 
D. -1
Mathematics
Evaluate the expression according to the order of operations.48 ÷ (4 ÷ 2)
A. 12 B. 46 C. 6 D. 24
Mathematics