हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

There Are 8 Marbles in a Bag with Numbers from 1 to 8 Marked on Each of Them. What is the Probability of Drawing a Marble with a Number (I) 3 (Ii) 7 - Mathematics

Advertisements
Advertisements

प्रश्न

There are 8 marbles in a bag with numbers from 1 to 8 marked on each of them. What is the probability of drawing a marble with a number
(i) 3
(ii) 7

योग
Advertisements

उत्तर

Total number of marbles = 8

(i) Probability (of getting a marble with number 3) = `1/8`

(ii) Probability (of getting a marble with number 7) = `1/8`

shaalaa.com
Concept for Feel of Probability Using Data Through Experiments.
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 22: Probability - Exercise 22 (A)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 22 Probability
Exercise 22 (A) | Q 6

संबंधित प्रश्न

A dice is thrown 20 times and the outcomes are noted as shown below:

Outcomes 1 2 3 4 5 6
No. of times 2 3 4 4 3 4

Now a dice is thrown at random, find the probability of getting:


In a cricket match, a batsman hits a boundary 12 times out of 80 balls he plays, further, if he plays one ball more, what will be the probability that:
(i) he hits a boundary
(ii) he does not hit a boundary


Two coins are tossed simultaneously 100 times and the outcomes are as given below:

Outcomes Two heads
(H, H)
Exactly one head
(H T or T H)
No head
(T T)
No. of times 21 55 24

If the same pair of coins is tossed again at random, find the probability of getting:
(i) two heads
(ii) exactly one head
(iii) no head.


In a single throw of a dice, find the probability of getting a number 6


Hundred identical cards are numbered from 1 to 100. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is 50


Hundred identical cards are numbered from 1 to 100. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is 80


Hundred identical cards are numbered from 1 to 100. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is 40


A Ticket is randomly selected from a basket containing 3 green, 4 yellow, and 5 blue tickets. Determine the probability of getting:
(i) a green ticket
(ii) a green or yellow ticket.
(iii) an orange ticket.


Ten cards with numbers 1 to 10 written on them are placed in a bag. A card is chosen from the bag at random. Determine the probability of choosing:
(i) 7
(ii) 9 or 10
(iii) a number greater than 4
(iv) a number less than 6


A carton contains eight brown and four white eggs. Find the probability that an egg selected at random is:
(i) brown
(ii) white


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×