In a lot of 10 components, 2 are sampled at random for inspection. Assume that in fact exactly 2 of the 10 components in the lot are defective. Let X be the number of sampled components that are defective.
a. Find P(X=0).
b. Find P(X=1).
c. Find P(X=2).
d. Find the probability mass function of X.
e. Find the mean of X.
f. Find the standard deviation of X.
Let A be the event that the first component is defective and let ? be the event that the second component is defective.
You might also like to view...
What are the differences in channel allocation problem in FDMA/TDMA-based system versus CDMA-based system? Explain clearly.
What will be an ideal response?
Give one example where fire-retardant-treated (FRT) wood or FRT plywood is permitted by the codes as substitute for noncombustible materials.
What will be an ideal response?
There are four steps in HACCP
Indicate whether this statement is true or false.
FWD driveshaft problems are usually indicated by ________
A) Noise B) Grease from a torn boot C) Both A and B D) Neither A nor B