Answer:
The number of single-shot espressos sold by the cafe was 49.
Step-by-step explanation:
It is provided that Addison's Cafe offers two kinds of espresso: single-shot and double-shot.
Total number of espressos sold by the cafe yesterday afternoon was,
N = 70
The proportion of single-shot espresso sold was, p = 0.70.
Let X = number of single-shot espressos sold.
Compute the number of single-shot espressos sold by the cafe as follows:
[tex]E(X)=N\times p[/tex]
[tex]=70\times 0.70\\=49[/tex]
Thus, the number of single-shot espressos sold by the cafe was 49.
