Worksheet
1. In how many ways Can 4 People be arranged in a row of they
are arranged in a circle?
A. L
B.6
0.18
012
2. A box Contains 10 items of which 3 are
defective It 2
items are randomly taken out of the box what is the probability
that both items are not defective?
A-7/10
8-417
C
7/15
0.49/100.
A box contains 5 white, 6 red and 4 black balls of identical size
If 3 balls are randomly taken out of the box one
after the other.
what is the probability that the first ball is white and both
the second and the third balls are red?
끝
B.
3
15
C.4
D.
75
4. A Committee Consisting of 3 students is to be selected
from so candidates among which it are girls what is the
Probability that least one girl is selected?,
A. 5/6
C.
2/3
c.
D 16.
5. A student need to select 3 books from 3 different mathematics
3 different Physics and I history book, What is the probability
that
one of them is mathematics and the other
either
physics or history books?
A-3
B
9
35
35
C. 15
35
D. 18
35
two
are
6. A pair of dice is tossed, what is the probability of getting
4
Suem Sor 9 ? A. 2
B.
8/9
c. 7/9 0.119.
A bag containing 2 red, 3 white and I black balls we draw
two balls one after the
other without replacement what
is the probability the first
ball is red and the second ball
is black?
A.
B.
+2
1
10
-C
が
18
SIBEIR
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