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Unit 5 - Week 4
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Week 5 Lesson-16 Probability Distributions- Part 1 Lesson-17 Probability Distributions- Part 2 Lesson-18 Probability Distributions- Part 3 Lesson-19 Examples for Standardized Normal Distribution Lesson-20 Evaluating Normality, Exponential Probability Distribution Quiz : Assignment 4 Solution
Due on 2019-02-27, 23:59 IST.
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Assignment 4
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1. The experiment called Bernoulli process is used to represent which of the following probability distributions?
a) Uniform b) Binomial c) Poisson d) Hyper geometric No, the answer is incorrect.
Score: 0
Accepted Answers:
b) Binomial
2. Which of the following is not true for binomial experiment/distribution?
a) The experiment consists of sequence of n identical trials.
b) Two outcomes, success and failure are possible on each trial.
c) The probability of success does not change from trial to trial.
d) The trials are not independent.
No, the answer is incorrect.
Score: 0
Accepted Answers:
d) The trials are not independent.
3. In binomial distribution, the mean value is represented by …….
a) n/p b) p/n c) n*p
d) None of the above No, the answer is incorrect.
Score: 0
Accepted Answers:
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Business Statistics - - Unit 5 - Week 4 https://onlinecourses-archive.nptel.ac.in/noc19...
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c) n*p
4. Which of the following distribution is referred to as law of improbable events?
a) Uniform b) Binomial c) Poisson d) Hyper geometric No, the answer is incorrect.
Score: 0
Accepted Answers:
c) Poisson
5. In case of poisson distribution, mean is equal to ……….
a) Standard deviation b) Variance
c) Covariance d) None of the above No, the answer is incorrect.
Score: 0
Accepted Answers:
b) Variance
6. In which of the following distribution sampling is done without replacement?
a) Uniform b) Binomial c) Poisson d) Hyper geometric No, the answer is incorrect.
Score: 0
Accepted Answers:
d) Hyper geometric
7. In which of the following probability distributions, skewness is zero?
a) Binomial b) Normal c) Poisson d) Hyper geometric No, the answer is incorrect.
Score: 0
Accepted Answers:
b) Normal
8. In which of the following distributions mean, median and mode all are equal?
a) Binomial b) Normal
Business Statistics - - Unit 5 - Week 4 https://onlinecourses-archive.nptel.ac.in/noc19...
2 of 3 Wednesday 12 June 2019 03:38 PM
9) 1 point
10) 0 points
c) Poisson d) Hyper geometric No, the answer is incorrect.
Score: 0
Accepted Answers:
b) Normal
9. In binomial distribution, formula of calculating standard deviation is……
a) Square root of p.
b) Square root of pq.
c) Square root of npq.
d) Square root of np.
No, the answer is incorrect.
Score: 0
Accepted Answers:
c) Square root of npq.
10. Mean of binomial probability distribution is 857.6 and probability is 67%, then number of values of binomial distribution are?
a) 1040 b) 1340 c) 1240 d) 1140
No, the answer is incorrect.
Score: 0
Accepted Answers:
b) 1340
