# Data Analytics with Python | NPTEL | Week 2 Assignment Solutions

This set of MCQ(multiple choice questions) focuses on the Data Analytics with Python NPTEL Week 2 Assignment Solutions.

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### Data Analytics with Python NPTEL Week 2 Assignment Solutions

Q1. Which of the following is not a method for describing a sample space?

a) roster or listing
b) tree diagram
c) Offset builder notation
d) Venn diagram

Q2. A club of 4 is to be selected from a group of 12 people. How many possible clubs can be selected?

a) 395
b) 425
c) 495
d) 525

Q3. Eight individuals are candidates for positions of president, vice president, and treasurer of an organization. How many possibilities of selections exist?

a) 300
b) 330
c) 336
d) 339

Q4. A college plans to interview 8 students for possible offers of graduate assistantships. The college has three assistantships available. How many groups of three can the college select?

a) 126
b) 56
c) 136
d) 130

Q5. company plans to interview 10 recent graduates for possible employment. The company has three positions open. How many groups of three can the company select?

a) 90
b) 100
c) 120
d) 130

Data Analytics with Python NPTEL Week 1 Assignment Solutions

Q6. Individual outcome of an experiment is called?

a) the sample space
b) a sample point
c) an experiment
d) an individual

Q7. Two events having nonzero probabilities

a) can be both mutually exclusive and independent
b) cannot be both mutually exclusive and independent
c) are always mutually exclusive
d) are always independent

Answer: b) cannot be both mutually exclusive and independent

Data Analytics with Python NPTEL Week 1 Assignment Solutions

Q8. On an average 5 % items supplied by manufacturer X are defectives. If a batch of 10 items is inspected: what is the probability that 2 items are defective

a) 0.065
b) 0.075
c) 0.085
d) 0.095

Data Analytics with Python NPTEL Week 1 Assignment Solutions

Q9. A question paper contains 90 multiple choice questions. There are 4 alternative answers (A, B, C or D) out of which only one is correct. Mr X answers these questions randomly (i.e. without preparation). What is the probability that X gets a score of at least 10 marks?

a) 0.9997
b) 0.7894
c) 0
d) 0.001

Q10. State true or False: Statement: A distribution can either be discrete or continuous, it canâ€™t be both at the same time.

a) True
b) False

Data Analytics with Python NPTEL Week 1 Assignment Solutions

### Previous Year Data Analytics with Python NPTEL Week 2 Assignment Solutions

Q1. A college plans to interview 8 students for possible offers of graduate assistant-ships. The college has three assistant-ships available. How many groups of three can the college select?

a) 126
b) 56
c) 136
d) 130

Q2. Which of the following is each individual outcome of an experiment called?

a) the sample space
b) a sample point
c) an experiment
d) an individual

Q3. Two events having nonzero probabilities

a) can be both mutually exclusive and independent
b) cannot be both mutually exclusive and independent
c) are always mutually exclusive
d) are always independent

Answer: b) cannot be both mutually exclusive and independent

Q4. Ten individuals are candidates for positions of president, vice president of an organization. How many possibilities of selections exist?

a) 90
b) 100
c) 120
d) 130

Data Analytics with Python NPTEL Week 2 Assignment Solutions

Q5. A standard normal distribution has:

a) Mean 1 and standard distribution 0
b) Mean 0.5 and standard distribution 0.5
c) Mean 0 and standard distribution 1
d) Mean 1 and standard distribution 1

Answer: c) Mean 0 and standard distribution 1

Q6. The weight of cows in a farm is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. The probability of a cow weighing more than 241.25 pounds is:

a) 0.4505
b) 0.0495
c) 0.9505
d) 0.9010

Q7. The weight of cows in a farm is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. What is the probability of a cow weighing less than 250 pounds?

a) 0.4772
b) 0.9772
c) 0.0528
d) 0.5000

Data Analytics with Python NPTEL Week 2 Assignment Solutions

Q8. State True or False: Statement: Binomial and normal Distributions are discrete probability distributions

a) True
b) False

Q9. For a binomial experiment with p = 0.5 and a sample size of 100. The expected value of this distribution is?

a) 0.50
b) 0.30
c) 100
d) 50

Q10. State true or false. Statement: All mutually exclusive events are independent events

a) True
b) False

Data Analytics with Python NPTEL Week 2 Assignment Solutions

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