Afair coin is a coin whose head and tail appears in an equal probability of 50% each. what is the probability of obtaining either 5 heads or 6 heads in 10 tosses of a fair coin?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.