The Golden Comet Is a Hybrid Chicken That Is Prized $\sigma = 1.7 \mathrm { eggs } / \text { day }$

question 66

Multiple Choice

The Golden Comet is a hybrid chicken that is prized for its high egg production rate and gentle disposition. According to recent studies, the mean rate of egg production for 1-year-old Golden
Comets is 5.6 eggs/week.
Sarah has 41 1-year-old hens that are fed exclusively on natural scratch feed: insects, seeds, and Plants that the hens obtain as they range freely around the farm. Her hens exhibit a mean egg-laying Rate of 5.9 eggs/day.
Sarah wants to determine whether the mean laying rate μ for her hens is higher than the mean rate for all Golden Comets. Assume the population standard deviation to be $\sigma = 1.7 \mathrm { eggs } / \text { day }$ y. Compute the Value of the test statistic.

• A) 0.87
• B) 0.18
• C) 1.47
• D) 1.13