Q1. For afternoon tea, customer in a café can select from tea, coffee or hot chocolate, and either scones or carrot cake. The probability of a person selecting tea is 0.45 , whereas the probability of a person selecting coffee is 0.35 . The probability of a person selecting scones is 0.6 .
a) What is the probability of a person selecting hot chocolate?

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Answer

$0.2$ is the probability of a person selecting hot chocolate

Steps

Step 1 ：Calculate the probability of selecting hot chocolate: $1 - 0.45 - 0.35 = 0.2$

Step 2 ： $0.2$ is the probability of a person selecting hot chocolate