Statistics and Probability (BITSAT Mathematics): Questions 7  13 of 15
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Question number: 7
» Statistics and Probability » Probability
Question
Two cards are drawn at random from a pack to 52 cards. The probability of these two being aces is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 8
» Statistics and Probability » Baye's Theorem
Question
If and are independent events, then equals
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 9
» Statistics and Probability » Probability
Question
A coin with tail on both sides is tossed twice. The probability of getting a “head” is
Choices
Choice (4)  Response  

a. 


b.  0 

c.  1 

d. 


Question number: 10
» Statistics and Probability » Probability of an Event
Question
The chance that an event “occurs” or does not occur is
Choices
Choice (4)  Response  

a. 


b.  1 

c.  0 

d.  None of the above 

Question number: 11
» Statistics and Probability » Measures of Dispersion
Question
of the items of a data are less than and of the items are more than . Quartile deviation of the data is –
Choices
Choice (4)  Response  

a.  75 

b.  20 

c.  55 

d.  35 

Question number: 12
» Statistics and Probability » Binomial Distribution
Question
The mean of a binomial distribution is , and then its variance has to be –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 13
» Statistics and Probability » Probability
Question
In how many ways can 4 people be seated on a square table, one on each side?
Choices
Choice (4)  Response  

a.  1 

b. 


c. 


d.  All of the above 
