Question 11 MarkIf the event is not produced then it is called impossible event.AnswerTrueView full question & answer→
Question 31 MarkThe sum of the probabilities of all the elementary events of an experiment is $1$ .AnswerTrueView full question & answer→
Question 41 MarkThe probability is $\frac{1}{81}$ to get $81$ marks in $80$ marks question paper.AnswerFalseView full question & answer→
Question 61 MarkThe sum of the probabilities of all the elementary events of an experiment is 0.AnswerFalseView full question & answer→
Question 71 MarkProbability of an event that Sun rises in west is -1 .AnswerfalseView full question & answer→
Question 81 MarkSum of all primary events of the sample space is one.AnswertrueView full question & answer→
Question 91 MarkFor any event $A, P(A)$ is always greater than $\mathrm{P}\left(\mathrm{A}^{\prime}\right)$AnswerfalseView full question & answer→
Question 101 MarkState whether the following statement is true or false : Probability of an event that one prime number is selected from 1 to 30 is $\frac{1}{3}$.AnswertrueView full question & answer→
Question 111 MarkRange of probability of event $\mathrm{E}$ is $0<\mathrm{P}(\mathrm{E})<1$. Probability of an event that one prime number is selected from 1 to 30 is $\frac{1}{3}$.AnswerfalseView full question & answer→
Question 121 MarkFor given events A and $B$ if $P(A)+P(B)=P(A)$ - P(B) then B is impossible event.AnswertrueView full question & answer→
Question 131 MarkIf $\mathrm{E}^{\prime}$ is the complementary events of $\mathrm{E}$ then $\mathrm{P}\left(\mathrm{E}^{\prime}\right)$ $=\mathrm{P}(\mathrm{E})-1$AnswerfalseView full question & answer→
Question 151 MarkThe probability that a leap year selected at random will contain 53 Thursday is $\frac{2}{7}$.AnswertrueView full question & answer→
Question 161 MarkThe sum of probabilities of 'Event E' and 'Event not E' is 1.AnswertrueView full question & answer→