Class-9,Probability

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Class-9,Probability

Name of Student *

Contact No. *

Q1) The sum of the probabilities of all events of a trial is *

1 point

less than 1

greater than 1

between 0 and 1

Q2) The probability of a sure event is *

1 point

less than 1

between 0 and 1

more than 1

Q3) he probability of an event of a trial is always *

1 point

between 0 and 1 (both inclusive)

more than 1

Q4) The probability of an impossible event is *

1 point

less than 1

more than 1

Q5) In a cricket match, a batswoman hits the boundary 8 times out of 50 balls she plays. The probability that she did not hit a boundary is *

1 point

21/25

41/50

1/50

4/25

Q6) Gugu throws a die once. The probability that she gets a number less than 5 is : *

1 point

2/3

1/3

1/6

5/6

Q7) Weather forecast from a news channel was correct 125 times out of 365 days. The probability that on a given day it was not correct is *

1 point

5/73

16/73

48/73

25/73

Q8) Two coins are tossed simultaneously 300 times. Either one or two heads are obtained 198 times. The probability of getting no head is *

1 point

0.21

0.36

0.34

0.45

Q9) Which of the following cannot be the empirical probability of an event ? *

1 point

2/3

3/2

Q10) A fair die is rolled. Then, the probability of not rolling a number less than 5 is *

1 point

2/3

1/3

2/5

1/5

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