1)100 people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent, The following counts were observed.

Colorblind Not Colorblind Total

Male 8 52 60

Female 2 38 40

Total 10 90 100

Colorblind Male 6.0; Not Colorblind Male 54.0

Colorblind Male 7.0; Not Colorblind Male 53

Colorblind Male 8.0; Not Colorblind Male 52.0

Colorblind Male 6.0; Not Colorblind Male 53.0