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4vir4ik [10]
2 years ago
8

Brainliest if it is right

Mathematics
2 answers:
kvv77 [185]2 years ago
6 0

Answer:

314 inches²

Step-by-step explanation:

area = pi × r²

= 3.14 × 10²

= 314 inches²

jolli1 [7]2 years ago
4 0

Answer:

314 inches² give the other person brainliest

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jake scored 2 goals in soccer this season. jamie scored 2 times as many golas as jake. edgar scored 3 times as many as jamie.how
Hatshy [7]
Jamie scores 4 and 3 times that is 16
6 0
2 years ago
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Data are drawn from a symmetric and bell-shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 obs
bearhunter [10]
<span>What is the question?

This is an example of an ideal distribution and statical preview of the sample gathered from the population. 900 samples is a great number considering the central limit theorem of 30.
This distribution could also be described as a mesokurtic and normal form of the statistical model.

Statistics. </span><span>Statistics is a branch of mathematics which is the scientific study of mathematical values pertaining to qualitative descriptions and transcribe them into quantifying values such as the descriptive statistics and infuses these quantities in the field of inferential statistics. In these two categories involve probabilities, distribution and deviations which are mainly compositions of the descriptive statistics. Inferential statistics will involve comparison and variation of the given values. Methods are t-test, analysis of variance, and two-way analysis of variance and other methods. </span>

6 0
2 years ago
At a high school the average grade for the first semester for all subjects was 79.3. Based on this mean , the principal conclude
svet-max [94.6K]

Answer:

That is incorrect. It would be appropriate if the median were 79.3, since the median is the value in the middle (when placing the data in order).

4 0
3 years ago
For a given IQ test, an individual is considered a genius if their score falls more than three standard deviations from the mean
ki77a [65]

Answer:

P(Z>3) = 1-P(Z

So then the probability that an individual present and IQ higher than 3 deviation from the mean is 0.00135

And if we find the number of individuals that can be considered as genius we got: 0.00135*1500=2.025

And we can say that the answer is a.2

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Solution to the problem

Let X the random variable that represent the IQ scores of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu=?,\sigma=?)  

We are interested on this probability

P(X>X+3\mu)

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

And we can find the following probablity:

P(Z>3) = 1-P(Z

So then the probability that an individual present and IQ higher than 3 deviation from the mean is 0.00135

And if we find the number of individuals that can be considered as genius we got: 0.00135*1500=2.025

And we can say that the answer is a/2.0

3 0
2 years ago
Which is equivalent to 10(−225) ?
agasfer [191]

Answer:

2250.        hope this helps!

Step-by-step explanation:

Multiply  10 225

5 0
2 years ago
Read 2 more answers
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