Every normal cell of the body.
Answer: B
Explanation:
if i had a choice to say all of the above, i would.
In Pavlov's study, a dog salivates to the sound of a tone because the tone
has been regularly associated with the delivery of food. in this case,
the tone is called a <span>conditioned stimulus.
</span><span>The Russian scientist Pavlov showed that the dogs were demonstrating classical conditioning.</span>
John Watson later showed that the same happens in humans.
When they give us all this data and asks us to find the margin of error we can use the next formula
<span>margin of error = (0.745 - 0.707) / 2 = 0.019
There is your answer. I hope this helps you a lot</span>