NPTEL Data Analytics With Python Assignment 3 Answers 2022

NPTEL Data Analytics With Python Assignment 3 Answers 2022:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.

What is Data Analytics with Python?

Data Analytics with Python is a fun-filled whirlwind tour of 30 hrs, covering everything you need to know to fall in love with the most sought after skoll of the 21st century. This course includes examples of analytics in a wide variety of industries, and we hope that students will learn how you can use analytics in their careers and life. One of the most important aspects of this course is that you, the student, are getting hands-on experience creating analytics models we, the course team, urge you to participate in the discussion forums and to use all the tools available to you while you are in the course

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of the average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

COURSE NAME	ANSWER
NPTEL Data Analytics with Python Assignment 1 Answers 2022	Click Here
NPTEL Data Analytics with Python Assignment 2 Answers 2022	Click Here
NPTEL Data Analytics with Python Assignment 3 Answers 2022	Click Here
NPTEL Data Analytics with Python Assignment 4 Answers 2022	Click Here
NPTEL Data Analytics with Python Assignment 5 Answers 2022	Click Here
NPTEL Data Analytics with Python Assignment 6 Answers 2022	NA
NPTEL Data Analytics with Python Assignment 7 Answers 2022	NA
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NPTEL Data Analytics with Python Assignment 9 Answers 2022	NA
NPTEL Data Analytics with Python Assignment 10 Answers 2022	NA
NPTEL Data Analytics with Python Assignment 11 Answers 2022	NA
NPTEL Data Analytics with Python Assignment 12 Answers 2022	NA

NPTEL Data Analytics with Python Assignment 3 Answers 2022

Q1. State True or False:
Statement: The specific value of a random variable is called estimator 

(A) True 
(B) False

Answer:- (B) False

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Q2. If the true proportion of customers who are below 20 years is P=0.35, what is the probability that a sample size 100 yields a sample proportion between 0.3 to 0.4

(A) 0.961 
(B) 0.827 
(C) 0.706 
(D) 0.53

Answer:- (C) 0.706 

Q3. Stratified random sampling is a method of selecting a sample in which

(A) the sample is first divided into strata, and then random samples are taken from each stratum 
(B) various strata are selected from the sample 
(C) the population is first divided into strata, and then random samples are drawn from each stratum 
(D) None of these alternatives is correct

Answer:- (C) the population is first divided into strata, and then random samples are drawn from each stratum 

Q4. State True or False:
Statement: A population is a set of all items or individual of interest 

(A) True 
(B) False

Answer:- (A) True 

Q5. 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

Answer:- (A) 0.9997 

Q6. 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

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Answer:- (B) 0.075 

Q7. A car distributor in city Y experiences on an average 2.5 car sales per day. Find the probability that on a randomly selected day, they will sell  5 car:

(A) 0.0668 
(B) 0.544 
(C) 0.082 
(D) 0.205

Answer:- (A) 0.0668 

Q8. A car distributor in city Y experiences on an average 2.5 car sales per day. Find the probability that on a randomly selected day, they will sell  no car:

(A) 0.0668 
(B) 0.544 
(C) 0.082 
(D) 0.205

Answer:- (C) 0.082 

Q9. A random sample of 100 people shows that 25 of them are females and rest are males. Form a 95% confidence interval for the true proportion of females. The lower limit of this interval will be:

(A) 0.150 
(B) 0.145 
(C) 0.165 
(D) 0.175

Answer:- (C) 0.165 

Q10. A random sample of 100 people shows that 25 of them are females and rest are males. Form a 95% confidence interval for the true proportion of females. The upper limit of this interval will be:

(A) 0.150 
(B) 0.165 
(C) 0.465 
(D) 0.335

Answer:- (D) 0.335

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NPTEL Data Analytics with Python Assignment 3 Answers 2022:-All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.