(Answered) Everyday i go to starbucks1 on any day define the amount i

Economics

Everyday I go to Starbucks.

1) On any day, define the amount I spend at Starbucks as a random variable X

X. A salted caramel mocha is 6$ and a regular coffee is $2.50. Write out the sample space for this experiment. Write out X

X as a function of the outcomes in the sample space. Argue that X

X is a discrete random variable.

2) Suppose further, that I am now interested in the amount of times I buy a regular coffee in the next 10 days. What type of random variable is this? What is the probability I buy exactly 7 coffees over the next 10 days?

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