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Historicallyon christmas day the weather in a certain

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Historically,on Christmas day the weather in a certain Midwestern city  has had the following distribution:

Event                       Relative Frequency

Clear & dry                      0.20

Cloudy & dry                   0.30

Rain                                   0.40

Snow                                 0.10

a- Based on these data, what is the probability that next Christmas will be dry?

b- Based on the data,what is the probability that next Christmas will be rainy or cloudy and dry?

c- Supposing next Christmas is dry, determine the probability that it will be also cloudy?

Reference no: EM13371099

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