A New Apparatus Has Been Devised to Replace the Needle $$\alpha = , 10$$

question 84

Essay

A new apparatus has been devised to replace the needle in administering vaccines. The
apparatus, which is connected to a large supply of vaccine, can be set to inject different
amounts of the serum, but the variance in the amount of serum injected to a given person
must not be greater than .08 to ensure proper inoculation. A random sample of 25
injections resulted in a variance of .103. Specify the rejection region for the test. Use $$\alpha = , 10$$

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Definitions:

Gastrostomy Feeding Tube

A tube inserted through the abdomen into the stomach to deliver nutrition directly to someone who cannot eat by mouth.

Decreased Consciousness

A reduced state of alertness or awareness, ranging from drowsiness to coma.

Dysphagia

A condition characterized by difficulty in swallowing.

Tracheostomy

A surgical procedure that creates an opening in the neck to insert a tube into the trachea to aid breathing.