Answer:
about [tex]84\%[/tex]
Step-by-step explanation:
From the given information, the number of readers who prefer hard copy is 4 and the number of people who prefer soft copy is 21.
The sample size is n=25.
The percentage of readers who prefer hard copy [tex]=\frac{21}{25}\times 100\%[/tex]
We simplify this to get:
[tex]=21\times 4\%[/tex]
[tex]=84\%[/tex]
