EASY
9th CBSE
IMPORTANT
Earn 100

Match the following:
column A column B
(A) The scale of the probability is (a) 23
(B) The probability of not getting a multiple of 3 when a die is thrown is. (b) 12
(C) A fair die is thrown, the probability of not getting a prime number is (c) 56
(D) In a cricket match hits a boundary 3 times in 3 overs he played. The probability that he did not hit the boundary is (d) from 0 to 1 (inclusive)

Important Questions on Statistics and Probability

EASY
9th CBSE
IMPORTANT
Complete the following crossword puzzle, using the given hints.
Across

1. Most frequency occurring observation.
4. Difference between the upper limit and the lower limit of a class.
5. Branch of mathematics that deals with the presentation.
7. Value of the middle most observation.
8. Number of times an observation occur in the data.
9. Mid-value of a class interval.
Down

2. Numerical facts collected with a definite purpose.
3. The difference between the highest and the lowest value of the data.
6. Sum of the values of observations divided by the number of observation.
 

Question Image

 

HARD
9th CBSE
IMPORTANT
Complete the following crossword puzzle, using the given hints.
ACROSS

1. An event with a probability of 0 
2. Two events are _____ if the outcome or occurrence of the first affects the outcome or occurrence of the second so that the probability is changed.
6. The _____ of an event is all outcome different from the favourable outcome.
7. A situation involving chance or probability that leads to a result called outcome.
10. The chance that an event will occur expressed as the ratio of the number of favourable outcomes to the number of possible outcomes.
11. Events are _____ exclusive if they cannot occur at the same time.
DOWN

1. _____ events are events for which the outcome of the second event does not depend on the outcome of the first event.
3. A possible set of outcomes for an experiment.
4. A _____ space is the set of all possible outcomes for an experiment.
5. A result of an experiment.
6. _____ probability is the probability of an event occurring given that another event also occurs.
8. Outcomes are _____ likely if they have the same chance of occurring.
9. A _____ event has a probability of 1.

Question Image