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UNO [17]
4 years ago
8

At a pizza shop, 80% of the customers order a pizza, 15% of the customers

Mathematics
2 answers:
meriva4 years ago
5 0

90% out of 105% which would be 0.85

Free_Kalibri [48]4 years ago
5 0

Answer: 0.85

Step-by-step explanation:

Let A be the event that the customer orders a pizza and B be the event that the customer orders a salad.

Then , we have P(A)=80\%=0.80

P(B)=15\%=0.15

P(A\cap B)=10\%=0.10

Now, the probability that he or she  orders either a pizza or a salad is given by :-

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\\Rightarrow\ P(A\cup B)=0.80+0.15-0.10=0.85

Hence, the required probability = 0.85

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