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Chaitanya Kapoor
Subject: Maths
, asked on 26/3/18
Solve this:
14. C card is drawn from a pack of 52 cards and a gambler bets that it is a spade or an ace. Which one of the following are the odd against his winning this bet?
(a) 13 to 4 (b) 4 to 13
(c) 9 to 4 (d) 4 to 9.
Answer
1
Chaitanya Kapoor
Subject: Maths
, asked on 26/3/18
Q17. Each of A and B tosses two coins. What is the probability that they get equal number of heads?
a
3
16
b
5
16
c
4
16
d
6
16
Answer
2
Chaitanya Kapoor
Subject: Maths
, asked on 26/3/18
Solve this:
60. An experiment consist of flipping a coin and then flapping it a second time if head occurs. If a tail occurs on the first flip, then a six-faced die is tossed once. Assuming that the outcomes are equally likely, what is the probability of getting one head one tail?
(a) 1/4 (b) 1/36
(c) 1/6 (d) 1/8
Answer
1
Chaitanya Kapoor
Subject: Maths
, asked on 26/3/18
Solve this:
Q73. If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25?
(a) 0 (b) 1/2
(c) 1 (d) 1/1296
Answer
1
Chaitanya Kapoor
Subject: Maths
, asked on 26/3/18
Q 79
. What is the most probable number of successes in 10 trials with probability of success 2/3 ?
(a) 10 (b) 7
(c) 5 (d) 4
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q.8. Two coins are tossed. Find the probability of getting two heads when it is known that one Head has already occurred.
Answer
2
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q8
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Two cards are d
Q. Two cards are drawn without replacement from a well Shuffled pack of 52 cards. Find the probability that both are black.
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
6) If a coin is tossed thrice then find the probability of getting an odd number atleast once.
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
5. A bag contains 5 white, 7 Red and 8 Black balls. It four balls are drawn without replacement then find the probability that all are white.
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q. Find the inverse Of the matrix
1
-
1
1
2
1
-
3
1
1
1
and with the help of this solve the system of equation:
1
0
1
2
1
0
0
1
1
x
y
z
=
1
2
2
y
6
z
-
2
x
+
2
2
0
1
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q8
8. Mother, father and son line up at random for a family picture find P/A/B) given that
E. Son on one end, F. Father in middle.
Answer
1
Tarul Jhalani
Subject: Maths
, asked on 22/3/18
Q1:
Q. Two coins are tossed once them find the P(A/B) given that.
i) A: Tail appears on one coin.
B: One coin shows head.
ii) A: no tail appear
B: no head appears.
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 21/3/18
No links please
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 21/3/18
No links please
Q(1). The probability distribution of random variable x is given as :
P (X = x) =
k
x
2
,
for
x
=
1
,
2
,
3
2
k
x
,
for
x
=
4
,
5
O
,
otherwise
,
where
k
is
a
Constant
Find E (X) .
(e) (i) Ans : K =
1
32
,
E
x
=
59
16
Answer
1
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What are you looking for?
14. C card is drawn from a pack of 52 cards and a gambler bets that it is a spade or an ace. Which one of the following are the odd against his winning this bet?
(a) 13 to 4 (b) 4 to 13
(c) 9 to 4 (d) 4 to 9.
60. An experiment consist of flipping a coin and then flapping it a second time if head occurs. If a tail occurs on the first flip, then a six-faced die is tossed once. Assuming that the outcomes are equally likely, what is the probability of getting one head one tail?
(a) 1/4 (b) 1/36
(c) 1/6 (d) 1/8
Q73. If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25?
(a) 0 (b) 1/2
(c) 1 (d) 1/1296
(a) 10 (b) 7
(c) 5 (d) 4
Q. Two cards are drawn without replacement from a well Shuffled pack of 52 cards. Find the probability that both are black.
8. Mother, father and son line up at random for a family picture find P/A/B) given that
E. Son on one end, F. Father in middle.
Q. Two coins are tossed once them find the P(A/B) given that.
i) A: Tail appears on one coin.
B: One coin shows head.
ii) A: no tail appear
B: no head appears.
Q(1). The probability distribution of random variable x is given as :
P (X = x) =
Find E (X) .
(e) (i) Ans : K =