一道统计学的英文题it was found that 35% of all customers order hot meals and that 50% of all customers are students.Further,25% of all customers who are students order hot meals.what is the probability that a chosen customer both does not or

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一道统计学的英文题it was found that 35% of all customers order hot meals and that 50% of all customers are students.Further,25% of all customers who are students order hot meals.what is the probability that a chosen customer both does not or

一道统计学的英文题it was found that 35% of all customers order hot meals and that 50% of all customers are students.Further,25% of all customers who are students order hot meals.what is the probability that a chosen customer both does not or
一道统计学的英文题
it was found that 35% of all customers order hot meals and that 50% of all customers are students.Further,25% of all customers who are students order hot meals.
what is the probability that a chosen customer both does not order a hot meal and is not a student?
875

一道统计学的英文题it was found that 35% of all customers order hot meals and that 50% of all customers are students.Further,25% of all customers who are students order hot meals.what is the probability that a chosen customer both does not or
Note that
"Further, 25% of all customers who are students order hot meals"
===> About (50% * 25%) of all customers both are students and order hot meals.
===> Probability of A customer = not student & not order hot meal
is 1 - (50% * 25%) = 0.875