If a juice drink filling machine, when in perfect adjustment, fills the bottles with 12 ounces of drink on an average and any overfilling or underfilling results in the shutdown and readjustment of the machine, in order determine whether or not the machine is properly adjusted, the correct set of hypotheses is H0: µ=12 and Ha: µ≠12. (Option C).
In scientific context, a hypothesis or hypotheses refers is a testable statement defining the relationship between variables or a proposed justification for an observed phenomenon. In this case, since the drink filling machine that is perfectly adjusted fills 12 ounces of drink on an average, after readjustment to determine if the machine is properly adjusted, the hypotheses that must be test that if the average of filling is equal to 12 ounces or not.
Note: The question is incomplete as options are missing. The options are a) H0: µ < 12 and Ha: µ≥12, b) H0: µ≤12 and Ha: µ>12, c) H0: µ=12 and Ha: µ≠12, d) H0: µ≠12 and Ha: µ =12.
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When Loewi triggered a nerve that affected a frog's heart rate, he was able to remove fluid from the region surrounding the heart, transfer it to another frog's heart, and subsequently affect that frog's heart rate as well.
<h3>What are Neurotransmitters?
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Neurotransmitters, which are organic compounds, play a major role in the language that neurons use to communicate with one another and with their final targets. Following electrical stimulation, these substances are produced and act on their particular receptors to start a response that can be as simple as a muscle contraction or as extremely complex as starting a chain reaction that eventually changes how the organism behaves. Neurotransmitters can have multiple functions; depending on where they act, they can be neuromodulators or, in some cases, neurohormones.
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They had strong ties with Britain.
Answer:
Roles of a homemaker
Doing the weekly grocery shopping.
Setting and monitoring budgets.
Cleaning, cooking and doing the laundry.
Scheduling and overseeing property maintenance.
Coordinating other household management activities.
Caring for children.
Advising household owners in housekeeping matters.