Two conditions under which we can assume that the sample means follow a normal distribution are as follows:
1). If the sample size is large enough, n greater than or equals 30, the sampling distribution is approximately normal regardless of the shape of the population.
2). In order to be considered a normal distribution, a data set (when graphed) must follow a bell-shaped symmetrical curve centered around the mean.
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Step-by-step explanation:
50% is basically half. So if you double the price ($2.25) x 2 you will have your answer.
So the answer is $4.50..!
X-6=36
x=42
Hope that helps
A. 9 only bc only 9 can be equal to 9 if it was absolutely value then the answer would be 9 and -9
There would be 260 lifegurads
The easy way is to divide 18.2 by 0.07 to get your answer
If my answer is wrong pls let me know i try my best to edit and make it right
