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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Answer:
a = √(b+ 6)
a² = b + 6 (Square both sides)
b = a² - 6 (subtract 6 from both sides)
Answer:
Step-by-step explanation:
Each new term is equal to -1/2 times the previous term:
a(n) = (-1/2)a(n - 1) with a(1) = 56 (Recursive formula).
Answer:
Step-by-step explanation:
The answer is a trapezoid
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