ANSWER:-

NUMBER OF PRIZED TICKETS = 5

NUMBER OF BLANK TICKETS =995

WE KNOW THAT,

PROBABILITY= NUMBER OF FAVOURABLE OUTCOMES÷ TOTAL OUTCOMES

= 5/1000

=1/200

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DETAILED ANSWER:-

• Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty

• How to calculate probability

• Determine a single event with a single outcome.

• Identify the total number of outcomes that can occur.

• Divide the number of events by the number of possible outcomes.

Question :

In a lottery there are 5 prized tickets and 995 blank tickets. A person buys a lottery ticket . Find the probability of he winning a prize.

To find :

The probability of he winning a prize.

Solution :

no. of prize tickets =5

no. of black tickets =995

total no. of tickets =1000

So it means that the probability of winning a prize ticket is 1/200