The pie chart above shows the expenditure of a family whose income is N30,000. If…
The pie chart above shows the expenditure of a family whose income is N30,000. If the expenditure on…
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Find the variance of 2x, 2x-1 and 2x+1
Find the variance of 2x, 2x-1 and 2x+1 A. 2/3 B. 2 C. √(2/3) D. 1 Correct Answer:…
If the mean of five consecutive integers is 30, find the largest of the numbers
If the mean of five consecutive integers is 30, find the largest of the numbers A. 28 B.…
A bag contains 5 black, 4 white and x red marbles. If the probability of…
A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red…
A final examination requires that a student answer any 4 out of 6 questions. In…
A final examination requires that a student answer any 4 out of 6 questions. In how many ways…
The table above shows the scores of a group of students in a physics test….
The table above shows the scores of a group of students in a physics test. If the mode…
A box contains 5 blue balls, 3 red balls and 2 white balls. Two balls…
A box contains 5 blue balls, 3 red balls and 2 white balls. Two balls are selected from…
What is the probability that an integer x,(1 (leq) x (leq) 20) chosen at random…
What is the probability that an integer x,(1 (leq) x (leq) 20) chosen at random is divisible by…
In how many ways can 6coloured chalks be arranged if 2 are same colour?
In how many ways can 6coloured chalks be arranged if 2 are same colour? A. 60 B. 120…
How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a…
How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a circular table A.…