Answer:
.86 is the Khan Academy Answer
Step-by-step explanation:
1.476 on a z-table makes a .93 z-score. Since 1 - .93 = .7, there is a .7 tail on each side of the distribution. .7 + .7 = .14 and 1 - .14 = .86. Therefore, Emer has a .86 confidence interval.