Consider the following statements.
Assertion (A): The expected values should be at least 5 to apply the chi-square test.
Reason (R): The chi-square distribution provides an adequate approximation of the sampling distribution.
Indicate the correct answer from the following:

A. Both (A) and (R) are true, and (R) is the right explanation

B. Both (A) and (R) are true, but (R) is not the correct explanation

C. (A) is true, but (R) is false

D. (A) is false, but (R) is true

Answer: Option A