The Next Questions Are Based on the Following Information

question 101

Multiple Choice

The Next Questions Are Based On The Following Information:
A hydraulic press is operating correctly when the standard deviation of the pressure is less than 120 pounds-per-square-inch (psi) .Suppose you take a random sample of 15 measurements throughout the day of the psi and find the standard deviation to be 148.Suppose you want to test whether the press is operating correctly.
-For a two-tailed test at the 0.05 significance level,what is the rejection region when n is large and the population standard deviation is known?

• A)between -1.645 and +1.645
• B)between -1.96 and +1.96
• C)less than -1.645 or greater than +1.645
• D)less than -1.96 and greater than 1.96

---

Definitions:

Rod Receptors

Specialized cells in the retina that are responsible for vision in low light conditions.

Eyeball

The spherical part of the eye that contains the structures necessary for vision, including the cornea, iris, lens, and retina.

Nociceptors

Sensory receptors found throughout the body that respond to potentially harmful stimuli by sending pain signals to the nervous system.

Chemicals

Substances with a distinct molecular composition that are used in or produced by chemical processes.