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In a stack of 100 newspapers, the comic section is missing from 60 papers. Lexie buys two papers from the stack. What is the probability that both papers will have the comic section?

Sagot :

Order does not matter no repetition:

40 papers contain the comic section:

Number of combinations:

[tex]40c2 = 780 \: combinations[/tex]

Total number of combinations:

[tex]100c2 = 4950 \: combinations[/tex]

[tex]p(a) = \frac{780}{4950} = 0.15757575757[/tex]

Answer:

100c2=4950 combinations

p(a)=780 =0.15757575757

      4950      

Step-by-step explanation:

The simple answer