(A) 30
(B) 50
(C) 80
(D) 100
Answer: (D) 100
Category: Statistics MCQs
Statistics Multiple Choice Questions (MCQs) Test with Answers.
If P (A) = 0.4, than P’ (A) = ?
(A) 0.2
(B) 0.4
(C) 0.6
(D) 0.8
Answer: (C) 0.6
P’ (A) = 1 – P(A)
P’ (A) = 1 – 0.4
P’ (A) = 0.6
If two fair coins are tossed then the probability of getting two heads is
(A) 0.1
(B) 0.25
(C) 0.5
(D) 0.75
Answer: (B) 0.25
The sample space of tossing two coins is: {HH, HT, TH, TT}
Therefore, P(HH)=1/4=0.25
What is geometric mean of 1, 10, 100?
(A) 10
(B) 20
(C) 30
(D) 40
Answer: (A) 10
Geometric Mean = (1×10×100)1/3=10
Statistics Questions and Answers
Statistics Multiple Choice Questions (MCQs) Test with Answers.