Review 2
Quiz by MARILOU MAPA
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- Q1
An event is
a subset of a sample space
always certain
the same as a combination
a type of permutation
60s - Q2
In a race with 8 runners, how many ways are there to award gold, silver, and bronze medals?
𝑃(8,3)
𝐶(8,3)
38
83
60s - Q3
Calculate: C(7,4)
840
70
210
35
60s - Q4
The main difference between a permutation and a combination of (n) objects taken (r) at a time is the importance of
the order
the value of (r)
the objects chosen
the value of (n)
60s - Q5
Find the value of C(8,3)
the objects chosen
the order
the value of 𝑟
the value of 𝑛
60s - Q6
Which expression represents the number of ways to choose and arrange 3 out of 7 books on a shelf?
3!
7!
𝐶(7,3)
𝑃(7,3)
60s - Q7
The set of outcomes common to both event A and event B is called the
complement
union
mutually exclusive
intersection
60s - Q8
How many different groups of 3 students can be chosen from a class of 10 students?
30
1000
120
720
60s - Q9
Evaluate: 𝑃(10,2)/𝐶(10,2)
20
5
1
2
60s - Q10
The set of all outcomes in either event A or event B or both is called the
mutually exclusive
complement
union
intersection
60s - Q11
A pizza place offers 8 toppings. How many different 3-topping pizzas can be made?
336
24
56
512
60s - Q12
If a die is rolled, what is the event of getting an even number?
{4, 5, 6}
{1, 2, 3}
{1, 3, 5}
{2, 4, 6}
60s - Q13
From 6 men and 5 women, how many committees of 4 people can be formed?
𝐶(6,4)⋅𝐶(5,4)
𝐶(11,4)
11!
𝑃(11,4)
60s - Q14
Which situation illustrates a combination?
Arranging people in a line fora picture.
Selecting 2 desserts from a tray of 5 different desserts.
Determining the champion and runner-up in a contest.
Creating 4-digit PIN codes from the digits 1-9.
60s - Q15
A club with 15 members will elect a president, vice-president, and treasurer. How many outcomes?
45
2730
455
3375
30s