For each part, determine whether the two events are independent. (a) Rafael avoids riding his bike in the rain. Is biking to work independent of rain? Hint No Yes (b) On any given day, the probability that Hiroki wears sneakers is 85 % 85%. On Fridays, the probability that Hiroki wears sneakers is 85 % 85%. Is wearing sneakers independent of whether it's a Friday? Yes No