i need the answer for question 5 and all the parts a,b,c with steps for each and round the answers to 4 decimal places and put the units ... it's a biostats class .. thank you!

5. (12 points) In a population where the proportion of people who have the ability to taste umami is unknown. a random sample of 100 people were tested and 74 could clearly distinguish umami from saltiness. (a) What is the sample proportion? (b) Create a 99% confidence interval for the true proportion of people in this region who can taste umami. (c) Does this interval support the fact the majority of this region can taste umami? Why or why not and explain using the value of the confidence interval