Data Analytics UNIT Module 1-2 Mid Test

Data Analytics UNIT Module 1-2 Mid Test

Professional Development

25 Qs

quiz-placeholder

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Data Analytics UNIT Module 1-2 Mid Test

Data Analytics UNIT Module 1-2 Mid Test

Assessment

Quiz

Other

Professional Development

Practice Problem

Medium

Created by

Saikat Bandopadhyay

Used 3+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What is the output of the following code: for i in range(5): print(i)?

10

0 1 2 3 4

-1

5

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

How do you write an if statement in Python?

if (condition) do_something()

if: condition do_something()

if condition do_something()

if condition: do_something()

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

An e-commerce site claims that 95% of its orders are delivered on time. If you order 3 items on different dates, what is the probability that all 3 are delivered on time?

0.95

0.90

About 0.857

0.99

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

How can you read a file in Python?

Use 'with open(filename, 'r') as file: content = file.read()' to read a file in Python.

Use 'with open(filename, 'w') as file: content = file.read()' to read a file in Python.

Read a file by calling 'file.read(filename)' directly.

Use 'open(filename) as file: content = file.read()' to read a file in Python.

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What function is used to write data to a file in Python?

append()

export()

write()

save()

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Define the term 'probability' in your own words.

Probability is the certainty of an event occurring.

Probability is the total number of possible outcomes.

Probability is the average of all possible events.

Probability is the likelihood of an event happening.

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What is the formula for calculating permutations?

P(n, r) = n! + (n - r)!

P(n, r) = n! * r!

P(n, r) = n! / (n - r)!

C(n, r) = n! / r!

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