The length of gestation for hippopotami is approximately Normal, with a mean of 265 days and a standard deviation of 8 days. a. What percentage of hippos have a gestation period less than 259 days? b. Complete this sentence: Only 6% of hippos will have a gestational period longer than _ days. c. In 2017, a hippo was born at a particular 200, 6 weeks premature. This means her gestational period was only about 223 days. What percentage of hippos have a gestational period of 223 days or less? a. The percentage of hippos that have a gestation period less than 259 days is 22.7 %. (Round to one decimal place as needed.) b. Only 6% of hippos will have a gestational period longer than D days. (Round to the nearest integer as needed.)