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nexus9112 [7]
3 years ago
15

Choose the mixed number that has not been reduced to simplest form.

Mathematics
1 answer:
Trava [24]3 years ago
7 0
7 14/18 since you can reduce this to 7 7/9:)
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The answer is 3/6 or 1/2. If it is of a hour it's 30 minutes. <span />
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A(n) Blank______ is a two-dimensional representation of data in which values are represented by colors. Multiple choice question
amid [387]

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heat map is the answer

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igor_vitrenko [27]
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6 0
3 years ago
Isolate the varible term on one side 3+8× = 4 isolate the constatnate 8x=1 solve for x​
Vanyuwa [196]

Answer:

x = 1/8

Step-by-step explanation:

It seems like you already did most of the work. The last step is to just divide both sides by 8, to get rid of the 8 attached to the x.

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7 0
3 years ago
Question 15
larisa86 [58]

Answer:

The correct option is (C).

Step-by-step explanation:

According to the Central Limit Theorem if we have n unknown population with mean <em>μ</em> and standard deviation <em>σ</em> and appropriately huge random samples (<em>n</em> > 30) are selected from the population with replacement, then the distribution of the sample means will be approximately normally distributed.

Then, the mean of the distribution of sample means is given by,

\mu_{\bar x}=\mu

And the standard deviation of the distribution of sample means is given by,

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

The information provided is:

<em>μ</em> = 3.5

<em>σ</em> = 1.7078

<em>n</em> = 400 = number of times the experiment is repeated.

As the sample size is quite large, i.e. <em>n</em> = 400 > 30 the central limit theorem can be used to approximate the sampling distribution of the sample mean.

The mean of the distribution of sample means is:

\mu_{\bar x}=\mu=3.5

The standard deviation of the distribution of sample mean is:

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}=\frac{1.7078}{\sqrt{400}}=0.0854

The distribution of the sample mean is:

\bar X\sim N(\mu = 3.5,\ \sigma=0.0854).

Thus, the correct option is (C).

4 0
3 years ago
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