As always, you need to be very careful to understand the base (reference) when discussing percentages.
The experimental probability of getting tails is 48%. The theoretical probability of getting tails is 50%. When you take the difference of these numbers, you can conclude ... <span>The experimental probability is 2% lower than the theoretical probability
_____ Often, when we talk about something being a percentage lower or higher than something else, we use the "something else" as the base. Here the theoretical probability is 0.50, so the experimental probability is (0.48 -0.50)/0.50*100% = -4% relative to the theoretical probability. That is, one could also say "the experimental probability is 4% lower than the theoretical probability of obtaining tails."</span>
As AB and ED are parallel, they have the same slope. This means that since lines that are colllinear with parallel segments are parallel, lines l and m are parallel.
