Statistics 110 Module 4 Exam Portage Learning spring 2025/2026

4/17/23, 8:59 PM M4: Exam - Requires Respondus LockDown Browser + Webcam: Introduction to Statistics-2021- Frey


M4: Exam - Requires Respondus LockDown Browser
+ Webcam
Due No due date Points 50 Questions 5 Time Limit 90 Minutes
Requires Respondus LockDown Browser


Instructions
You may only have the following items when taking an exam: computer, 1-2 pieces of blank
scratch paper, a pen/pencil, and a calculator.

You may ONLY use the equation sheets that are provided WITHIN the exam. The use of printed
versions will be considered a violation of the Academic Integrity Policy.




Attempt History
Attempt Time Score
LATEST Attempt 1 66 minutes 50 out of 50




Score for this quiz: 50 out of 50
Submitted Apr 9 at 8:26pm
This attempt took 66 minutes.


Question 1 pts



You may find the following files helpful throughout the exam:

Statistics_Equation_Sheet
(https://previous.nursingabc.com/upload/images/Help_file_picture/Statistics_

Standard Normal Table
(https://previous.nursingabc.com/upload/images/Help_file_picture/standardn



In a large shipment of clocks, it has been discovered that 13 % of the
clocks are defective. Suppose that you choose 8 clocks at random. What
is the probability that 2 or less of the clocks are defective.
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, 4/17/23, 8:59 PM M4: Exam - Requires Respondus LockDown Browser + Webcam: Introduction to Statistics-2021- Frey

Your Answer:

p=.13

n=8

x=2,1,0



a.)

x=2




b.)

x=1




c.)

x=0




The probability of two, one and zero defective clocks is as followed:

.2052+.3923+.3282= .9257




https://portagelearning.instructure.com/courses/946/quizzes/24427?module_item_id=90878 2/10