How does the percent equation relate proportional quantities?​

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?

Ys is the perpendicular bisector of xz what it is the length of xs