The probability of an impossible event is ........

  • A
    $1$
  • B
    $2$
  • C
    $4$
  • D
    $0$

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Similar Questions

Here is an extract from a mortality table.
Age (in years) Number of persons surviving out of a sample of one million
$60$ $16090$
$61$ $11490$
$62$ $8012$
$63$ $5448$
$64$ $3607$
$65$ $2320$

Based on this information,what is the probability of a person aged $60$ dying within a year?

Of the $50$ students in a class, $22$ are girls. The probability that a student who gets first rank is a boy is .............

Two dice are thrown simultaneously $500$ times. Each time the sum of two numbers appearing on their tops is noted and recorded as given in the following table:
Sum Frequency
$2$ $14$
$3$ $30$
$4$ $42$
$5$ $55$
$6$ $72$
$7$ $75$
$8$ $70$
$9$ $53$
$10$ $46$
$11$ $28$
$12$ $15$

If the dice are thrown once more,what is the probability of getting a sum between $8$ and $12\,?$

State whether each of the following statements is true or false:
$(1)$ The probability that the month of February in a leap year has $5$ Saturdays is $0$.
$(2)$ The probability of getting $51$ marks in a $100$ marks examination is $\frac{1}{101}$.

$A$ balanced die is tossed once. The probability of getting number $6$ on the die is ..............

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