You ask 50 randomly chosen employees of a company how many books they read each month. The diagram shows the results. There are
600 people employed by the company. Estimate the number of employees who read at least one book each month.
PLZ HURRY
PLZ HURRY
2 answers:
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In general the binomial expansion is
So in our case, because we want ascending powers of x we'll write,
We need to calculate the binomial coefficients: