1 year ago

6 bags of Skittles cost $3. How much is one bag?

Mathematics

1 answer:

Y_Kistochka [10]1 year ago

8 0

Answer: $0.5

Step-by-step explanation:

b=bags of skittle

6b=3

b=3/6

b=$0.5

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Find the mean, median, mode and range of the given data set. 12, 15, 17, 9, 17 a. 14, 15, 17, 8 c. 7, 14, 15, 17 b. 14, 12, 17,

Alex

Answer:

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Step-by-step explanation:

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3 years ago

An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was = 119.6 ounces

deff fn [24]

Answer:

B. N(μ, 1.30).

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$ .

In this problem, we have that:

An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was = 119.6 ounces. Suppose the standard deviation is known to be σ = 6.5 ounces.

Assume that in the population of all babies born in this hospital, the birth weights follow a Normal distribution, with mean μ.

This means that for the sampling distribution, the mean is the mean of the weight of all babies born, so $\mu$ and $s = \frac{6.5}{\sqrt{25}} = 1.30$ .