In a certain country the true probability of a baby being a boy is 0.526 among the next five randomly selected first in the country what is the probability that it's at least one of them is a girl

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?