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chubhunter [2.5K]
3 years ago
11

Apply the distributive property to factor out the greatest common factor. 15+21

Mathematics
1 answer:
frez [133]3 years ago
8 0

Answer:

3(5 + 7)

GCF is 3

Step-by-step explanation:

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3 years ago
Heights for women are bell-shaped with a mean of 65 inches and standard deviation of 2.5 inches. If a random sample of 16 women
loris [4]

Answer:

μ= 65 inches; σ= 0.625 inch

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed(bell-shaped) random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

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In this problem, we have that:

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So the correct answer is:

μ= 65 inches; σ= 0.625 inch

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