1. Gentle Ben is a horse at a Colorado dude ranch. Over the past 8

weeks, a veterinarian took random weekly glucose readings

from Gentle Ben. The sample mean of the 8 blood tests was

x=93.8. We may assume that x has a normal distribution, and

the population values are μ=85∧σ=12.5. Does the sample data

indicate that Gentle Ben has a glucose rate higher than 85? (use

α = .05