Statistics Ics Part 1 Chapter 8 Online Test With Answers

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Statistics Ics Part 1 Chapter 8 Online Test

Sr. # Questions Answers Choice
1 Its value cannot be exactly examined. Ranodm variable Fixed varaible Mathematical variable Variable
2 Random numbers can be generated mechanically by By use of digital computers Probgrammable calculators Ordinary calculators Both a and b
3 Random number can be generated manully by Dawing cards from numbered cards Roitaing or spinning numbered wheels Use of random numbers table All of these
4 Random numbers can be generated Manually Mechanically Botha a and b None of these
5 In hypergeometric distribution, the successive trials are. Dependent Independent Both (A) & (B) None of these
6 If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be: Binomial Hypergeometric Both binomial &  hypergeometric  None of these
7 The probability of even/odd number when a fair die rolled is: 1/6 2/6 1/36 3/6
8 If in binomial distribution, μ = 6, p = 3/5, the number of trial are: 18 30 10 None of these
9 The binomial distribution deal with: Discrete variable Continuous variable  None of these
10 When x denotes the number of success in binomial experiment it is called. Random variable Binomial random variable Continuous random variable Both (B) and (C) but not (A)
11 When X denotes the number of success in binomial experiment, it is called. Random variable Binomial random variable Continuous random variable Both (B) and (C) but not (A)
12 The mean of binomial distribution is always: Equal to variance Less than variance Greater then variance None of the these
13 Which of the following case is true for hypergeometric distribution. Probability remains constant for all trials Probability changes successive trials are dependent Both (B) and (C) but not (A)
14 The binomial distribution is symmetrical when: P > q p = 1/2 Probability of success & probability of failure are  equal Both (B) and (C)
15 When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is: Binomial Hypergeometric Both Binomial & hypergeometric None of these
16 The probability of success changes from trial to trial, is the property of: Binomial experiment Hypergeometric experiment Both A and B None of these
17 For a binomial probability distribution:
n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
 0.6 6.0 10 4
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