a) What is the point estimate,b) What is the margin of error

Question

If a confidence interval for the mean is (44 ≤ μ ≤ 98),

a) What is the point estimate?  

b) What is the margin of error

Answer 1

if this this is a normal distribution, or any distribution symmetric about the mean, then the point estimate for the mean is the average of 44 and 98

(44+ 98)/2 = 142/2 = 71 = point estimate of the mean

error is + or - (71-44) = 27

mean estimate = 71 + 27