English

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

Advertisements
Advertisements

Question

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

Sum
Advertisements

Solution

Here, the total number of cards = 100

card is drawn with number = 50

favourable outcomes = 1

Total number of outcomes = 100

∴ P =`1/100`

shaalaa.com
Concept for Feel of Probability Using Data Through Experiments.
  Is there an error in this question or solution?
Chapter 22: Probability - Exercise 22 (A)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 22 Probability
Exercise 22 (A) | Q 10.1

RELATED QUESTIONS

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


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


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.


A bag contains 4 white and 6 black balls,- all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is:
(i) a black ball
(ii) a white ball
(iii) not a black ball


In a single throw of a dice, find the probability of getting a number 4


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 40


Suppose S is the event that will happen tomorrow and P(S) = 0.03. Find P(S’)


The following table shows number of males and number of females of a small locality in different age groups.

Age in years 10-20 21-50 Above 50
Male 8 12 6
female 6 10 4

If one of the persons, from this locality, is picked at random, what is the probability that

  1. the person picked is a male?
  2. the person picked is a female?
  3. the person picked is a female aged 21-50?
  4. the person is a male with age up to 50 years?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×