Answer:
Option 1 - 71.4%
Step-by-step explanation:
Given : Richard can make 5 out of 7 free throws in basketball.
To find : What is his shooting percentage for free throws?
Solution :
Total number of throws = 7
Richard can make 5 out of 7 free throws in basketball.
Favorable outcome = 5
Probability of getting 5 out of 7 throw is [tex]P=\frac{5}{7}[/tex]
Into percentage multiply number by 100,
[tex]P=\frac{5}{7}\times 100[/tex]
[tex]P=71.42\$[/tex]
His shooting percentage for free throws is 71.4%.
Therefore, Option 1 is correct.