math
posted by Amy .
the probability of a computer memory chip being defective is 0.02. which of ghe following statements is true?
a) in a shipment of 1000 chips, it is certain that at least one will be defective.
b) in a shipment of 100 chips, two will be defective
c)the expected number of chips in a shipment of 500 is 10
d)None of the above

These are probabilities; no outcome is certain. "Will'
infers certainty.
Your third choice does not make sense. You need to proofread your questions before you post them.
From you data, I would pick d. 
U NEED TO PROOFREAD UR ANSWERS @SSH0LE