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Popular Word Problems >

Problem 11 Credit card fraud happens at a certain store at a rate of about 1 every month. What is the probability that in a certain three month period, there are at least 2 credit card fraud incidents?

Solution

P ro b l e m 11 C re d i t c a r d f r a u d ha pp e n s a t a cer t ain s t ore a t a r a t e o f ab o u t 1 e v ery m o n t h . Wha t i s t h e p ro babi l i t y t ha t in a cer t ain t h ree m o n t h p er i o d, t h ere a re a t l e a s t 2 cre d i t c a r d f r a u d in c i d e n t s ?

Solution

0

Solution steps

The probability of getting 3 2 is 0 since this never occurs.

= 0

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