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Byju's Answer
Standard XI
Mathematics
Axiomatic Approach
A coin is tos...
Question
A coin is tossed
10
times. The probability of getting exactly six heads is
A
512
513
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B
105
512
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C
100
153
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D
10
C
8
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Solution
The correct option is
B
105
512
If a coin a is tossed then the probability of getting head and getting tail is
1
2
.
Now, if the coin is tossed
10
times then the probability of getting exactly
6
heads is,
10
C
6
×
(
1
2
)
6
×
(
1
2
)
4
=
210
2
10
=
105
2
9
=
105
512
.
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Similar questions
Q.
A coin is tossed 10 times. The probability of getting exactly six heads is
(a)
512
513
(b)
105
512
(c)
100
153
(d)
C
6
10
Q.
If a fair coin is tossed
10
times, find the probability of
(i) Exactly six heads.
(ii) Atleast six heads.
Q.
If a fair coin is tossed
10
times find the probability of (a) exactly six head
(b) At least six heads
(c) at most six heads.
Q.
A coin is tossed 4 times. What is the probability of getting heads exactly 3 times?
Q.
A coin is tossed 60 times and the tail appears 35 times. What is the probability of getting a head?
(a)
7
12
(b)
12
7
(c)
5
12
(d)
1
25
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