11th class Statistics chapter 6 online mcq test with answers for ICS part 1 Statistics chapter 6(Probability)

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Sr.#	Question	Answer
1	Two events A and B are mutually exclusive if P(A∪B) =	A. P(A) - P(B) B. P(A) + P(B) C. P(A)P(B) - P(A∪B) D. P(A) + P(B) - P(A∪B)
2	Probability of a sure event is	A. Zero B. Less than one C. Greater than one D. One
3	Probability of an event cannot be	A. Negative B. Positive C. Zero D. One
4	Subset of sample space is called	A. Event B. Simple event C. Compound event D. Experiment
5	When each outcome of a sample is as equally likely to occur as any other, the out come are called.	A. Mutually exclusive B. Equally likely C. Exhaustive D. Not mutually
6	When sample space S is partitioned into some mutually exclusive events such that their union is sample space itself. Then the events are called	A. Simple events B. Compound events C. Equally likely events D. Exhaustive events
7	If the occurance of one event is not effected by the occurance of other than these events are called	A. Dependent B. Independent C. Simple D. Compound events
8	"P_r can be solved by the formula.	A. N!/ r!(n-r)! B. (n-r)!/r! C. n!(n-r!) D. n!(n-r)!/r!
9	A set representing all possible out comes of a random experiment is called	A. Sample space B. Universal set C. Simple event D. Random experiment
10	Arrangement of things without regard to order is called.	A. Raw data B. Arrayed data C. Permutation D. Combination