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Tomtit [17]
3 years ago
10

a town has two shopping malls. A survey conducted on the shopping preferences of the town's showed that 62% of the residents vis

it comet mall, 73% of the residents visit star mall, and 48 % of the residents visit both malls. the probability that a resident chosen at random shops at either comet mall or at star mall is
Mathematics
2 answers:
padilas [110]3 years ago
4 0
If you add the percentages that visit each mall, (62% +73%), you count twice those that visit both malls. Subtracting that percentage (48%) from the sum (135%), you get the percentage that visit either mall ...
  87%.
kolbaska11 [484]3 years ago
4 0

Answer:  

The probability that a resident chosen at random shops at either comet mall or at star mall = 87%

Step-by-step explanation:

Percentage of residents who visited both malls = 48%

Percentage of residents who visited Comet mall = 62%

So, Percentage of residents who visited Comet mall only = 62 - 48

                                                                                                = 14%

Percentage of residents who visited Star mall = 73%

So, Percentage of residents who visited Star mall only = 73 - 48

                                                                                                = 25%

So, The probability that a resident chosen at random shops at either comet mall or at star mall = 48% + 14% + 25%

                                 = 87%

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