Question 1 :
Sum of the probabilities of all the elementary events of an experiment is

Question 2 :
The probability of getting at least one tail in $4$ throws of a coin is -

Question 3 :
A set of events that have no pair in common are called mutually exclusive.<br/>Please check the validity of the statement

Question 4 :
For any event E, $P(E)+P(\overline E)=1$ where $\overline E$ stands for 'not E'. $E$ and $\overline E$ are called complementary events

Question 6 :
The range of probability of any event of a random experiment is $[0, 1]$.

Question 7 :
A fair die is thrown once. The probability of getting a composite number less than 5 is

Question 8 :
If A is any event in a sample space, then $P(\overline A)=1+P(A)$

Question 9 :
If the probability of an event is $1$, then it is an:

Question 11 :
Which of the following cannot be the probability of an event?<br>

Question 12 :
Sum of the probability of happening and not happening of an event is :<br>

Question 14 :
If P (E) denotes the probability of an event E, then

Question 16 :
In an experiment, the sum of probabilities of all events is :<br/>

Question 17 :
Which one of the following cannot be the probability of an event?<br/>

Question 18 :
Can the experimental probability of an event be greater than 1? If yes enter 1 else 0.<br/>

Question 19 :
Can the experimental probability of an event be a negative number? If yes enter 1 else 0.<br/>

Question 20 :
<table class="table table-bordered"><tbody><tr><td>&#160;<b>Weight (in kg)</b></td><td>&#160;$44-49$</td><td>$ 50-55$</td><td>$56-61 $</td><td>$62-67$&#160;</td></tr><tr><td>&#160;<b>Number of students</b></td><td>&#160;$8$</td><td>$ 15$</td><td>&#160;$25$</td><td>&#160;$17$</td></tr></tbody></table>Garima collected the data regarding weights of students of her class and prepared the above table:<br/>A student is to be selected randomly from her class for some competition. The probability of selection of the student is the highest whose weight (in kg) is in the interval _____.<br/>

Question 21 :
The probability of happening of an event is 45%. The probability of an event&#160;is :<br/>

Question 23 :
Which of the following cannot be the probability of an event?<br/>

Question 24 :
The probability of an event is greater than or equal to ____ and less than or equal to $1$.

Question 25 :
If S is the sample space for the event A then find the correct alternative from the following :

Question 26 :
The probability of India winning a test match against Australia is $\dfrac {1}{2}$ assuming independence from match to match. The probability that in a match series India's second win occurs at third test match is

Question 27 :
State the following statement is true or falseThe probability of an event can be greater than one also.

Question 28 :
In Mathematics Exam, the probability of Aayushi scoring $100$ out of $100$ is

Question 29 :
Find the probability that one will get 75 marks in the question paper of 100 marks.

Question 30 :
A card is drawn from a pack of $52$ cards. The probability of getting a queen of spade or a king of diamond is<br/>

Question 31 :
Employees at a Hospital<br/><table class="wysiwyg-table"><tbody><tr><td>Years Worked</td><td>Nurse</td><td>Doctor</td><td>Technician</td><td>Total</td></tr><tr><td>Less than $2$</td><td>$20$</td><td>$10$</td><td>$20$</td><td>$50$</td></tr><tr><td>$2$ to $5$</td><td>$15$</td><td>$15$</td><td>$10$</td><td>$40$</td></tr><tr><td>$6$ to $10$</td><td>$13$</td><td>$18$</td><td>$18$</td><td>$49$</td></tr><tr><td>More than $10$</td><td>$12$</td><td>$10$</td><td>$12$</td><td>$34$</td></tr><tr><td>Total</td><td>$60$</td><td>$53$</td><td>$60$</td><td>$173$</td></tr></tbody></table>The table above shows the years worked by employees at a hospital. Calculate the probability that a technician has worked for $6$ or more years.

Question 32 :
Two unbiased coins are tossed. What is probability of getting at least one head?<br/>

Question 34 :
A bag contains $20$ brown and $20$ red balls. One ball is drawn at random. What is the probability that ball is red?<br/>

Question 35 :
According to the property of probability, the probability of an event cannot be <br/>

Question 36 :
Which of the following cannot be the probability of an event?

Question 37 :
The uncertainty of a probable event can be measured numerically by means of <br/>

Question 44 :
Which one of the following cannot be the probability of an event <br>

Question 45 :
Eleven bags of wheat flour, each marked $5\: kg$, actually contained the following weights of flour $($in $kg):$<span class="wysiwyg-font-size-medium"><br/>$4.97,\,\, &#160;5.05,\,\, 5.08,\,\, &#160;5.03,\,\, &#160;5.00,\,\, &#160;5.06,\,\, &#160;5.08,\,\, &#160;4.98,\,\, &#160;5.04,\,\, 5.07,\,\, &#160;5.00$<p>Find the probability that any of these bags chosen at random contains more than $5\: kg$ of flour.</p>

Question 46 :
In a cricket match, a bats-woman hits a boundary $6$ times out of $30$ balls she plays. Find the probability that she did not hit a boundary.<br/>

Question 47 :
Probability of an event is always less than or equal to _____.

Question 50 :
Which one of the following cannot be the probability of an event. <br>