13. In a lucky draw, 100 sealed pouches are placed in an urn. 10 pouches have prizes of *50. 10 pouches
have prizes of 30.5 pouches have prizes of 10. The probability of pouches having no prizes Is
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Step-by-step explanation:
Total number of envelopes =100
No of envelopes that contains no prize =100
(10+100+200)=100-310-690
Therefore probability =690/100=69/10
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