The different of the means of the distribution will be 15. Then the correct option is A.
What is a normal distribution?
The Gaussian Distribution is another name for it. The most significant continuous probability distribution is this one. Because the curve resembles a bell, it is also known as a bell curve.
the graph is shown below.
Then the different of the means of the distribution will be
⇒ 45 - 30
⇒ 15
Then the correct option is A.
More about the normal distribution link is given below.
https://brainly.com/question/12421652
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