Statistics Ics Part 1 Online Test With Answers

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Statistics Ics Part 1 Online Test

Sr. # Questions Answers Choice
1 Binomial distribution is negatively skewed if. p < q p > q p = q np = npq
2 For a binomial distribution with n = 5 prob ( X = -2) is. 0 Greater than zero Less than zero None of these
3 If N = 40, n = 5, k = 4, then mean of hypergeometic distribution is. 1 1/2 1/4 1/3
4 The bionomial distribution is negatively skewed if. p < 1/2 p = 1/2 p > 1/2 p = 1
5 In a hypergeometric distribution. Mean > Variance Mean < variance Mean = variance Mean = Zero
6 The numebr of trial in bionomial distribution is. Not fixed Fixed Large Small
7 In a binomial expreiment with three trials, the variable can take. 2 Values 3 Values 4 Values 5 Values
8 The probability of failure is equal to. p 1 - q P - 1 1 - P
9 The hyper-geometric distribution has........... parameters. 1 2 3 4
10 If p = q = 1/2 then distribution is called. Postively Skewed Symmetrical Negatively
11 Binomial distribution is positive skewed when p > q p = q p < q p = 1/2
12 In a bionomial, n = 20, p = 3/5, then variance of this distribution is. 12 60 4.8 0
13 In hyper geometric distribution n is. Changed Zero Fixed variable
14 In a hypergeometric distribution N = 6, n = 2, K = 3 Then mean. 1 2 3 4
15 The percentage of observations lying within the items X + 3S in the normal distribution. 68.26% 95.44% 70.00% 99.75%
16 The bionomial probability distribution is symmetrical when p = q p < q p > q np > npq
17 In a bionial experiment, the successive trails are. Dependent Independent Mutually exclusive FIxed
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