Advertisements
Advertisements
Question
A die is thrown 450 times and frequencies of the outcomes 1,2,3,4,5,6 were noted as given in the following table
outcomes | 1 | 2 | 3 | 4 | 5 | 6 |
Frequency | 73 | 70 | 74 | 75 | 80 | 78 |
(i) 4
Solution
Total number of times die is thrown = 450
Number of times 4 come up on the die = 75
P(4 will come up on die) = `"Number of time 4 come up"/"Total number of times the die is thrown"`
= `75/450 = 1/6`
APPEARS IN
RELATED QUESTIONS
A die is thrown. Find the probability of getting a multiple of 2 or 3
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a red face card.
A bag contains 3 white, 4 red and 5 black balls. One ball is drawn at random. What is the probability that the ball drawn is neither black nor white?
1000 families with 2 children were selected randomly , and the following data were recorded :
Number of girls in a family | 0 | 1 | 2 |
Number of families | 333 | 392 | 275 |
Find the probability of a family , having
(ii) 2 girls
A die is thrown 450 times and frequencies of the outcomes 1,2,3,4,5,6 were noted as given in the following table
outcomes | 1 | 2 | 3 | 4 | 5 | 6 |
Frequency | 73 | 70 | 74 | 75 | 80 | 78 |
(iii) a number > 4
Two dice are thrown simultaneously. Find the probability of getting: an even number as the sum.
Two dice are thrown simultaneously. What is the probability that the sum of the numbers appearing on the dice is 1?
A bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being a green ball.
A card is selected at random from a well shuffled deck of 52 cards. The probability of its being a red face card is ______.
From a well-shuffled deck of 52 playing cards, a card is drawn at random. What is the probability of getting a red queen?