i put this question once and they solved it with wrong numbers please show the work for z score and explain it and give me the final answer for all the parts especially for part D & E. ASAP

Please do the Airplane Booking Problem with a high fare of $743 and low fare of $139. The business traveler demand is given by N(mu=57, sigma =10). Part a: 4 points Locally stored answer: Part bi 4 points Locally stored answer: Part ct 4 points Locally stored answer: Part d: 4 peints What is the corresponding x5 core? Locally stored answer: Vurteis points How many scats should we protect for full fare customers? Please round to a whole number. Locally stored