11.  If the value of p is smaller or lesser than 0.5 then the binomial distribution is classified as 
a.  skewed to right 
b.  skewed to left 
c.  skewed to infinity 
d.  skewed to integers 
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Answer: (a).skewed to right

12.  If the μ is equal to 8 then the standard deviation of exponential probability distribution is 
a.  0.425 
b.  0.125 
c.  0.225 
d.  0.325 
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Answer: (b).0.125

13.  In binomial distribution, the formula of calculating mean is 
a.  μ = p + q 
b.  μ = np 
c.  μ = pq 
d.  μ = qn 
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Answer: (b).μ = np

14.  The value which is obtained by multiplying the possible values of random variable with the probability of occurrence and is equal to weighted average is called 
a.  discrete value 
b.  weighted value 
c.  expected value 
d.  cumulative value 
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Answer: (c).expected value

15.  The number of products manufactured in a factory in a day are 3500 and the probability that some pieces are defected is 0.55 then the mean of binomial probability distribution is 
a.  1925 
b.  6364 
c.  63.64 
d.  3500 
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Answer: (a).1925
