I thinks it is matching pairs for random assignment on gender, age, & income status but I’m not sure
V = PI x r^2 x H
1348.79 = 3.14 x 5.5^2 x H
1348.79 = 94.985 x h
h = 1348.79 / 94.985
h = 14.2 cm ( round answer if needed)
.25+.10+.10+.05+.05=0.55
fraction:55/100