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Introduction To Probability
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Introduction To Probability
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Introduction To Probability
If a luggage bag contains two types of shirts, 40 percent are dress shirts, 45 percent are T-shirts and 30 percent are blue jeans then the probability of selecting a dress shirt in random sample is
0.47
0.4
0.35
0.3
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Introduction To Probability
The probability which is based on the self-beliefs of the persons involved in the experiment is classified as
subjective approach
objective approach
intuitive approach
sample approach
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Introduction To Probability
The sample space for the experiment in which two coins are tossed is
4
8
2
10
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Introduction To Probability
The types of probabilities for independent events must includes
joint events
marginal events
conditional events
all of above
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Introduction To Probability
In probability theories, the collection of all the events possible outcomes from an experiment is classified as
mutually exclusive events
collectively exhaustive events
collectively exclusive events
mutually exhaustive events
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Introduction To Probability
If the occurrence of a statistical event A does not affect the occurrence of event B and vice versa then these events are classified as
statistically dependent events
descriptive unaffected events
statistically independent events
statistically unaffected events
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Introduction To Probability
The measure of chance of an uncertain event in the form of numerical figures is classified as
probability
variability
durability
likelihood
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Introduction To Probability
For the mutually exclusive events, the formula of calculating probability as n(A) ⁄ n(S) + n(B) ⁄ n(S) is used for
rule of marginal count
rule of comparison
rule of addition
rule of division
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Introduction To Probability
The joint probability of the independent events J and K is equal to
P(J) * P(K)
P(J) + P(K)
P(J) * P(K) + P(J-K)
P(J) * P(K) – P(J * K)
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Introduction To Probability
If the factory has four machines, machines will be completely depreciated in next year and the chances of failure of all machines respectively are 0.24, 0.45, 0.35, 0.38 then the probability of failure of all machines before next year is
0.355
0.148
0.158
0.168
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rikazzz
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