What is three fourths the square of a number in an algebraic expression?

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62