The following table shows the percentages of buyers of four different brands of bathing soaps.
BrandABCDPercentage of buyers20%40%25%15%
Represent the above data by a pie chart.
A survey was conducted to find out which brands of computer mouse different people used. The data collected from 100 people are as follows:
BrandFrequencyLogitech32Microsoft26Dell23Others19
Find the probability that a person (i) uses Dell or Microsoft (ii) does not use either Logitech, Dell or Microsoft. [3 MARKS]
A survey was conducted to find out which brands of computer mouse different people used. The data collected from a 100 people is as follows: