QI A fair coin is tossed. Find the probability of tossing a head. Q2 Three cards, equal in size and shape, are placed in a box. One is red, one white, and the other black. If one card is drawn out at random, find the probability that it is: (i) a black card (ii) a pink card (iii) a coloured card (i.e. not white)
QI A fair coin is tossed. Find the probability of tossing a head. Q2 Three cards, equal in size and shape, are placed in a box. One is red, one white, and the other black. If one card is drawn out at random, find the probability that it is: (i) a black card (ii) a pink card (iii) a coloured card (i.e. not white)
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Transcribed Image Text:7:10
Tamarah HAZI...
Probability Basics
3330
NOTE: The same answer may be used for more than one question.
QI A fair coin is tossed. Find the probability of tossing a head.
ANSWERS
A) 0
Q2 Three cards, equal in size and shape, are placed in a box. One is red,
В) 1
one white, and the other black.
If one card is drawn out at random, find the probability that it is:
C)
(i) a black card
(ii) a pink card
(iii) a coloured card (i.e. not white)
D)
E) :
Q3 Able is to choose from three doors. Behind one is a fantastic prize.
What chance has Able of winning it?
F)
G)
6.
Q4 Six balls, equal in size, are marked A, B, C, D, E and F. If one ball is drawn
at random, find the probability that it is:
(i) D
H)
(ii) a vowel
(iii) a consonant
I)
(iv) G
(v) a letter from the word BALL
J)
10
Q5 A bag contains 3 blue, 5 black, 6 red and 6 chrome hairclips. Gillian is
going to do her hair. Find the probability that Gillian chooses a hairclip
that is:
K)
L)
(i) blue
(ii) black
(iii) white
(iv) chrome
(v) either red or chrome
(vi) not red
M)
20
Q6 5 cards are labelled M, N, O, P and Q. The cards are drawn and laid on a table
to form a "word". What is the probability that the "word" begins with P?
N)
0)
Q7 Six children are in an election for House Captain. There are 4 girls.
P)
What is the probability that a boy is selected?
Q)
Q8 10 shovels lie in a dark shed. 6 are broken and need repairs. Find the probability
that the gardener, Victor, chooses a shovel which he is able to use?
R) 10
Q9 A pack of 52 playing cards has 4 suits:
Clubs, Spades, Diamonds and Hearts.
STANDARD PACK CONTENTS
S)
Clubs Spades 4Hearts Diamonds
Julie draws one card from this pack.
Find the probability that the card is:
Ace
Ace
Ace
Ace
T)
2
3
2
2
3
3
3
U)
10
(i) a Heart
4
4
4
(ii) a red (Hearts or Diamonds)
5
V) 5
6
6
6.
(iii) a black (Spades or Clubs)
7.
W)
26
8
8
8
(iv) a black 6
9
9
9
X)
(v) an Ace
10
10
10
10
Jack
Jack
Jack
Jack
Y)
Queen Queen
King
King
Queen
Queen
King
King
Z)
56
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