Advance Mathematics Quiz – 1

Advance Mathematics Quiz – 1

Answer the questions below then click Mark Now to see solutions.

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QUESTION 1

a) Use the statistical function of your non-programmable scientific calculator to find correct to two decimal places the

     i) mean

     ii) variance

    iii) standard deviation, from the frequency distribution table below: 
        

 

QUESTION 2

b) Of 100 people who voted in the 2010 elections 5 have voted for all three parties, 10 for CUF and CHADEMA, 15 for CCM and CHADEMA and 7 for CUF and CCM. 10 have voted for CHADEMA only and equal numbers have voted for CCM only and for CUF only. Use a Venn diagram to find how many have voted for:-

       i. CHADEMA or CUF but not CCM

       ii. CCM and CHADEMA but not CUF

      iii. CUF altogether

      iv. Just one party

      v. At most two parties 

 

QUESTION 3

b)  (i) Test the validity of the following argument by using the properties of logic: “If Tanzania is a democratic country, then all leaders are obtained through fair elections. Leaders are obtained through unfair election in Tanzania. Therefore Tanzania is not a democratic country” 

    

QUESTION 4

QUESTION 5

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