Can someone please solve this for me?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Simon used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. the results are shown in the tables below color of marble number of times rolled blue 15 green 19 yellow 16 heads tails 26 24 using simon's simulation, what is the probability of pulling a blue marble and the coin landing tails up? 39/50 250/50 120/2500 360/2500 .