A manager at a fast food restaurant calculated a confidence interval for the mean amount of time (in minutes) it takes for food orders to go out. Her result was (5.4, 7.2) with 95% confidence. Determine theproper notationand the value of both the point estimate and margin of error for the customer's mean waiting time.

Group of answer choices

x = 6.3, E = 0.9

x = 6.3, E = 1.8

x = 0.9, E = 6.3

= 6.3, E = 0.9

= 6.3, E = 1.8