Question 4 (6 points! ln a random sample of n=350 college students, the mean height was 67 inches with a standard deviation of 4.4 inches. The standard error was computed to be .195. a) Construct a 95% condence interval for the mean height of all college students. b] Interpret the interval from part b in the context of the problem. Question 5112 points} In a random sample of n = 400 NAU students, it was found that the average number of hours they spent doing homework per day to be 3 hours. a. What is the parameter of interest? Please write it in sentence form. b. Do we know what the value of population parameter is? c. What would we have to calculate the population parameter? d. What is our best estimate of the population parameter? Please provide proper notation. Q 36'F Sunny A g