What's equivalent to 2/5 divided by 6

Mathematics

1 answer:

aev [14]2 years ago

8 0

Answer: 1/5

Step-by-step explanation: hoped it worked

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A sample of 50 observations is taken from an infinite population. The sampling distribution of : a.is approximately normal becau

Korvikt [17]

Answer:

a.is approximately normal because of the central limit theorem.

Step-by-step explanation:

The central limit theorem states that if we have a population with mean μ and standard deviation σ and we take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed.

For any distribution if the number of samples n ≥ 30, the sample distribution will be approximately normal.

Since in our question, the sample of observations is 50, n = 50.

Since 50 > 30, then <u>our sample distribution will be approximately normal because of the central limit theorem.</u>

So, a is the answer.

3 0

2 years ago

Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?

Elza [17]

For this case we have the following definitions:

A function is even if, for each x in the domain of f, f (- x) = f (x). The even functions have reflective symmetry through the y-axis.

A function is odd if, for each x in the domain of f, f (- x) = - f (x). The odd functions have rotational symmetry of 180º with respect to the origin.

We then have the following function:

$f (x) = 9 - 4x ^ 2$