144 is your answer hope this helps
Answer
Step-by-step explanation:
A is turn it around on its right side
B is turn it straight up on its right side
D is turn it stright up
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.
To learn more about Normal Distributions visit:
brainly.com/question/4079902
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