Explore topic-wise MCQs in Statistical Quality Control.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.

1.

A lot follows hyper geometric distribution for defects found in its items. It contains 100 items out of which, 5 are defective. If 10 items are selected without replacement in a random order, what is the probability of finding 0 defective items?

A. 0.5837521
B. 0.4162479
C. 0.5708992
D. 0.4522222
Answer» B. 0.4162479
2.

For a experiment following binomial distribution, the mean is 54.3, and the number of independent trials is 121. What will be the probability of failure?

A. 0.55123
B. 0.51000
C. 0.44877
D. 0.45700
Answer» B. 0.51000
3.

For a company, which uses Poisson distributions to describe all the defects in its product, which has the parameter =4, what will be the probability of finding the selected product from a sample that will have 2 or less than 2 defects?

A. 0.2381
B. 0.2561
C. 0.2104
D. 0.3310
Answer» B. 0.2561
4.

The mean of a Poisson distribution is _____

A. Greater than
B. Lesser than
C. Equal to
D. Having no relation with
Answer» D. Having no relation with
5.

Poisson distribution is given by ____

A. (p(x) = frac{e^{- } ^x}{x!} )
B. (p(x) = frac{e^{-x} ^x}{x} )
C. (p(x) = frac{e^{- } ^x}{x} )
D. (p(x) = frac{e^{- } ^x}{ !} )
Answer» B. (p(x) = frac{e^{-x} ^x}{x} )
6.

The binomial distribution is given by _____

A. (p(x) = left(n atop x right) p^x (1-p)^{n-x} )
B. (p(x) = left(x atop n right) p^{n-x} (1-p)^x )
C. (p(x) = left(x atop n right) p^x (1-p)^{n-x} )
D. (p(x) = left(n atop x right) p^{n-x} (1-p)^x )
Answer» B. (p(x) = left(x atop n right) p^{n-x} (1-p)^x )
7.

The independent trials which have either a success or a failure as an outcome, are called ____

A. Normal trials
B. Bernoulli trials
C. Poisson s trials
D. Hyper geometric trials
Answer» C. Poisson s trials
8.

Probability function for hyper geometric probability distribution is _____

A. (p(x) = frac{ left(D atop x right) left(N-D atop n-x right)}{ left(N atop n right)} )
B. (p(x) = frac{ left(D atop x right) left(N-D atop n-x right)}{ left(n atop N right)} )
C. (p(x) = frac{ left(x atop D right) left(N-D atop n-x right)}{ left(N atop n right)} )
D. (p(x) = frac{ left(D atop x right) left(n-x atop N-D right)}{ left(N atop n right)} )
Answer» B. (p(x) = frac{ left(D atop x right) left(N-D atop n-x right)}{ left(n atop N right)} )
9.

Which of these is not a discrete probability distribution?

A. Hyper geometric Distribution
B. Binomial Distribution
C. Normal Distribution
D. Poisson Distribution
Answer» D. Poisson Distribution