In Lottery,there are 10 prizes and 25 blanks.A lottery is drawn at random.What is the Probability of getting a prize? Options.
A) 1/7  B) 2/7  C) 3/7  D) 4/7  E) 1
Total number of outcomes possible,n(s)=10+25= 
<gadget id="calculator">10+25</gadget>
<output>35</output>
35.   Total number of prize,n(e)=10   p(e)=n(e)/n(s)=10/35=2/7   Answer is option 2/7
<result>B</result>
In Lottery,there are 10 prizes and 25 blanks.A lottery is drawn at random.What is the Probability of getting a prize?