Stat-101, Quiz 4
Majmaah Engineering College
King Saud University
Stat 101
17/1/1431
Name:
Level 1
Academic Number:
Groups: 4&6 Time: 30 minutes
Quiz (4)
Question 1:
a) Define the following terms:
Outcome:
Simple event:
b) Complete:
An event that is certain to occur has a probability equal to ........... and is
called a ............... event. An event that cannot occur has ............
probability; such an event is called ................................event.
Question 2:
List the simple events for each of the following statistical experiments in
a sample space S.
a. Three tosses of a coin
b. One roll of a die and one toss of a coin
Stat-101, Quiz 5
Majmaah Engineering College
King Saud University
Stat 101
Name:
Level 1
17/1/1431
Academic Number:
Groups: 4&6 Time: 30 minutes
Quiz (5)
Answer the following Question:
A random sample of 3000 adults showed that 1540 of them have shopped
at least once on the Internet. What is the (approximate) probability that
a randomly selected adult has not shopped on the Internet?
2