Question

2. Write True or False in the following:
(i) Data after arranging in ascending or descending order is called raw data,
(ii) Sure event is an event which is impossible to occur.
(iii) Getting 3 on a die when it is thrown once is an impossible event.
(iv) Probability of an event is always less than 0 and greater than 1.
(v) The difference between the highest value and the lowest value of data is called its range.
(vi) The observations of an experiment are called random experiments.
(vii) The numerical information collected in number of cases is called data.
(viii) Lower limit of the class interval 50—70 is 70.
(ix) If a coin is tossed, then probability of getting a head is 1 by 2
(x) Probability of an impossible event is -1.
(xi) Bar graph of a grouped data is called histogram.
(xii) Probability of an event must be a positive integer.
(xiii) An event which will certainly occur is known as sure event. ​

Answer 1

Step-by-step explanation:

I) False

II) False

iiI) False

iv) True

V) true

vi) true

vii) true

VIII) false

ix) true

X) false

xi) true

XII) true

xiii) true

Answer 2

Answer:

1) False

2) True

3) False

4) False

5) True

6) False

7) True

8) False

9) True

10) True

11) False

12) True