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Statistics And Methodology MCQ - Statistics And Methodology Section 1

36 EBC DIC is an

37 Suppose I discover that as I eat more vegetables, my body weight decreases. I have demonstrated

38 Given Σdxdy = 186, Σdx = 11, Σdy = 7, N = 10, Σd2x = 215, Σd2y = 163. Find out correlation

statistics and methodology mcq

39 A machine on the average produces 5% defective articles. What are the mean and standard deviation in sets of 100 articles?

Mean = np = 100 x 0.05 = 5 σ = √(npq) = √(0.05 x 0.95 x 100) = 2.2 Hence the answer is (c).

40 If the proportion of defective in bulk is 4%, find the probability of not more than 2 defectives in a sample of 10, it is known that e-4 = 6703

statistics and methodology mcq

Probability of not more than 2 defectives

= 0.6703 + 0.26812 + 0.053624

= 0.992044 x 100

= 99.2%

Hence the answer is (a).

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Question:

"Two or more events are called mutually exclusive If the occurrence of any one of them excludes the occurrence of the other." This statement is given by

A. Murray Spiegel
B. Boddington
C. M. S. Roy
D. R. M. Morse

Correct answer: A

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