6.7 Tompkins Associates reports that the mean clear height for a Class A warehouse in the United States is 22 feet. Suppose clear heights are normally distributed and that the standard deviation is 4 feet. A Class A warehouse in the United States is randomly selected. a. What is the probability that the clear height is greater than 16.5 feet? bobb. What is the probability that the clear height is less than 12 feet? c. What is the probability that the clear height is between 24 and 30 feet? 6.8 According to a report by Scarborough Research, the average monthly household cellular phone bill is $73. Suppose local monthly household cell phone bills are normally distributed with a standard deviation of $11.35. YouLa. What is the probability that a randomly selected monthly cell phone bill is more vol yun than $100? of fool sasupe 000,02 mode ei Isroth b. What is the probability that a randomly selected monthly cell phone bill is vianborg between $60 and $83? euromcc. What is the probability that a randomly selected monthly cell phone bill is unididorg between $80 and $90?w To paste ard asendanew lo asse ards geongu arbor Ind. What is the probability that a randomly selected monthly cell phone bill is no won more than $55