99 .7% The incubation time for Rhode Island Red chicks is normally distributed (bell-shaped) with mean 21 days and standard deviation approximately 2 days. Use the empirical rule and the normal graph above to answer the following questions. a. % of the Rhode Island chicks incubation time is between 19 and 23 days. b. % of the Rhode Island chicks incubation time is in the interval of (23 , 25) days. c. 50% of the Rhode Island chicks incubation time is is less than days. d. 34% of the Rhode Island chicks incubation time is between 21 days and e. % of the Rhode Island chicks incubation time is more than 19 days