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प्रश्न
Aarushi sold 100 lottery tickets in which 5 tickets carry prizes. If Priya purchased a ticket, what is the probability of Priya winning a prize?
विकल्प
\[\frac{19}{20}\]
\[\frac{1}{25}\]
\[\frac{1}{20}\]
\[\frac{17}{20}\]
उत्तर
100 lottery tickets were sold in which 5 tickets carry prize
TO FIND: Probability of Priya winning a prize
Total number of tickets is100
Total number of prize carrying tickets is 5
`"We know that PROBABILITY "= "Number of favourable event"/"Total number of event"`
Hence probability of Priya winning a prize is equal to `5/100=1/20`
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