Скачать или смотреть In a simultaneous throw of a pair of dice. Find the probability of a doublet of prime numbers

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In a simultaneous throw of a pair of dice, find the probability &getting :
(i) 8 as the sum (ii) 2 will not come either time (iii) a doublet of prime numbers (iv) a doublet of odd numbers (v) a sum greater than 9 (vi) an even number on first (vii) a sum less than 6 (viii) neither 9 nor 11 as the sum of the numbers on the faces (ix) a sum more than 7 (x) a sum less than 7

A group consists of 12 peoples, of which 3 are extremely patient, other 6 are extremely honest and the rest are extremely kind. A person from the group is selected at random. Assuming that each person is equally likely to be selected.Find the probability of selecting a person who is:
(I) extremely patient (ii) extremely kind or honest
   • A group consists of 12 peoples of which 3 ...  

Blood group describes the type of blood a person has / Case Study Based Questions Probability
   • Blood group describes the type of blood a ...  

Probability of Rolling Dice / Probability Problems Based on Dice / In a simultaneous throw of a pair of dice, find the probability &getting :
(i) an even number on one and a multiple of 3 on the other (ii) neither a doublet nor a total of 10 (iii) odd number on the first and 6 on the second (iv) a total of 9 or 11
(v) a number greater than 4 on each dice (vi) a total greater than 8
(vii) 5 at least once (viii) a number other than 5 on any dice (ix) 5 as the sum
(x) 2 will come up at least once
   • Probability of Rolling Dice / Probability ...  

A piggy bank contains hundred 50 p coins, seventy Rs.1 coins, fifty Rs.2 coins and thirty Rs.5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down, what is the probability that the coin
a) will be a Rs.1 coin? , b) will not be a Rs.5 coin?, c) will be a 50 p or a Rs.2 coin?
d) Will be of value more than Rs.1,
   • A piggy bank contains hundred 50p coins, s...