Probability English Medium Free Online Test 1 Mark Questions 2020-2021

9th Standard

    Reg.No. :
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Maths

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Probability lies between _______.

    (a)

    −1 and +1

    (b)

    0 and 1

    (c)

    0 and n

    (d)

    0 and \(\infty \)

  2. The probability based on the concept of relative frequency theory is called _______.

    (a)

    Empirical probability

    (b)

    Classical probability

    (c)

    Both (1) and (2)

    (d)

    Neither (1) nor (2)

  3. The probability of an event cannot be _______.

    (a)

    Equal to zero

    (b)

    Greater than zero

    (c)

    Equal to one

    (d)

    Less than zero

  4. A random experiment contains

    (a)

    Atleast one outcome

    (b)

    At least two outcomes

    (c)

    Atmost one outcome

    (d)

    Atmost two outcomes

  5. The probability of all possible outcomes of a random experiment is always equal to _______.

    (a)

    One

    (b)

    Zero

    (c)

    Infinity

    (d)

    Less than one

  6. If A is any event in S and its complement is A' then, P(A′) is equal to _______.

    (a)

    1

    (b)

    0

    (c)

    1-A

    (d)

    1-P(A)

  7. Which of the following cannot be taken as probability of an event?

    (a)

    0

    (b)

    0.5

    (c)

    1

    (d)

    -1

  8. A particular result of an experiment is called _______.

    (a)

    Trial

    (b)

    Simple event

    (c)

    Compound event

    (d)

    Outcome

  9. A collection of one or more outcomes of an experiment is called _______.

    (a)

    Event

    (b)

    Outcome

    (c)

    Sample point

    (d)

    None of the above

  10. A letter is chosen at random from the word “STATISTICS”. The probability of getting a vowel is

    (a)

    \(\frac { 1 }{ 10 } \)

    (b)

    \(\frac { 2 }{ 10 } \)

    (c)

    \(\frac { 3 }{ 10 } \)

    (d)

    \(\frac { 4 }{ 10 } \)

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