In 1993, there were approximately 10,000 fast food outlets in the US that specia

Question

In 1993, there were approximately 10,000 fast food outlets in the US that specialized in Mexican food. Of these, the largest were Taco Bell with 4809 outlets, Taco John's with 426 outlets and Del Taco with 284 outlets.*

Q The relative frequency that a fast food outlet that specializes in Mexican food is either Taco Bell or Del Taco is:

P(E) =               Answer should be accurate to 4 decimal places.
Q The relative frequency that a fast food outlet that specializes in Mexican food is neither Taco John's nor Del Taco is:

P(E) =      

Explanation / Answer

Relative frequency = favorable outcome/Total no. of outcome

A.

Total outlets = 10000

outlet is either taco bell or del taco = 4809 + 284 = 5093

RF = 5093/10000 = 0.5093

B.

Total outlets = 10000

outlet is neither taco john's or del taco = 10000 - 426 - 284 = 9290

RF = 9290/10000 = 0.9290

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