Use the substitution method to find the solution to the system of linear equations.

Mathematics

1 answer:

nataly862011 [7]3 years ago

3 0

Answer: answer is d

Step-by-step explanation: input in calculator or set both equal to y and then set them equal to each other

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mr_godi [17]

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As the sample size becomes larger, the sampling distribution of the sample mean approaches a _____. a. binomial distribution b.

kkurt [141]

Answer:

c. normal probability distribution

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed 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 $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

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