A survey of 320 families with 5 children each revealed the following distribution:

A survey of 320 families with 5 children each revealed the following distribution:

No of boys-5 4 3 2 1 0

No of girls-0 1 2 3 4 5

No of families-14 56 110 88 40 12

Is the result consistent with hypothesis the male and female birth are equally probable?