# NCERT Exemplar Solutions Class 10 Mathematics Solutions for Statistics and Probability - Exercise 13.1 in Chapter 13 - Statistics and Probability

Question 17 Statistics and Probability - Exercise 13.1

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

T(E) = 6000

\mathrm{F}(\mathrm{E})=? \\ \mathrm{P}(\mathrm{F})=0.08 \\ \therefore \mathrm{P}(\mathrm{F})=\frac{\mathrm{F}(\mathrm{E})}{\mathrm{T}(\mathrm{E})} \Rightarrow \quad 0.08=\frac{\mathrm{F}(\mathrm{E})}{6000} \\ \therefore \mathrm{F}(\mathrm{E})=6000 \times 0.08=480

Hence, verifies the option (c).

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