Q2 of 23 Page 76

There are 6 marbles in a box with number from 1 to 6 marked on each of them.

(i) What is the probability of drawing a marble with number 2?


(ii) What is the probability of drawing a marble with number 5?

(i) Here,


It is given in the question that,


There are 6 marbles in the box numbered from 1 to 6


Now,


We know that,


Probability of drawing marble with number 2 =


Therefore,


P(Appearance of 2) =


(ii) Here,


It is given in the question that,


There are 6 marbles in the box numbered from 1 to 6


Now,


We know that,


Probability of drawing marble with number 5 =


Therefore,


P(Appearance of 5) =


More from this chapter

All 23 →
5

Consider this data collected from a survey of a colony.



























Favourite


Sport



Cricket



Basket


Ball



Swim-


ming



Hockey



Athletics



Watching



1240



470



510



430



250



Participating



620



320



320



250



105



(i) Draw a double bar graph choosing an appropriate scale.


What do you infer from the bar graph?


(ii) Which sport is most popular?


(iii) Which is more preferred, watching or participating in sports?

 6

Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter. Plot a double bar graph using the data and answer the following:

(i) Which city has the largest difference in the minimum and maximum temperature on the given date?


(ii) Which is the hottest city and which is the coldest city?


(iii) Name two cities where maximum temperature of one was less than the minimum temperature of the other.


(iv) Name the city which has the least difference between its minimum and the maximum temperature.

 1

Tell whether the following is certain to happen, impossible, can happen but not certain.

(i) You are older today than yesterday.


(ii) A tossed coin will land heads up.


(iii) A die when tossed shall land up with 8 on top.


(iv) The next traffic light seen will be green.


(v) Tomorrow will be a cloudy day.

 3

A coin is flipped to decide which team starts the game. What is the probability that your team will start?