All you have to do is multiply the probability by itself five times to get the total probability for the next five days. 1/2*1/2*1/2*1/2*1/2 = 1/2! = 1/32 = 0.0313 = 3.13% 3.13 rounded off to the nearest tenth is 3.1% There is 3.1% probability that Shania will arrive at school on time for the next five days.
