Question

The arithmetic mean of 1/5 and 1/3

Answer 1

Answer:

4/15

Explanation:

arithmetic mean = sum of total no. of readings / 2

let the mean be x

so, x = 1/5 + 1/3 × 1/2. ( the no. in denominator can be multiplied by doing it a reciprocal)

x = 8/ 15 × 1/2

x = 4/15