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Katena32 [7]
3 years ago
10

-5/8 Divided by -5/16

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0
I hate dividing fractions but I think -2/16 off of my best hunch.
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(20 points) A statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s
Nimfa-mama [501]

Answer:

The P-value is 0.0234.

Step-by-step explanation:

We are given that a statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s = 20.

Let = population mean.

So, Null Hypothesis, : = 100 {means that the population mean is equal to 100}

Alternate Hypothesis, : > 100 {means that the population mean is more than 100}

The test statistics that will be used here is One-sample t-test statistics because we're yet to know about the population standard deviation;

T.S. = ~

where, = sample mean = 98

s = sample standard deviation = 20

n = sample size = 400

So, the test statistics = ~

= -2

The value of t-test statistics is -2.

Now, the P-value of the test statistics is given by;

P( < -2) = 0.0234 {using the t-table}

8 0
3 years ago
Y= 1/2x -3 on a graph<br> I’m confused on how to graph 1/2x - 3
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Answer:

Put your equation into this!

Step-by-step explanation:

desmos.com/calculator

It will graph it for you!

You are very welcome!!

3 0
3 years ago
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Please answer number one as well as show your work thank you!
sveta [45]

√2 is irrational

a rational number Q can be expressed in the form \frac{a}{b} where a and b are integers.

- 18 = \frac{- 18}{1} ⇒ rational

\frac{2}{3} ⇒ rational

3.14 = \frac{314}{100} ⇒ rational

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A group of students plotted the number of hours they worked and the number of hours they spent talking to their friends on the p
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The correct answer is <span>C:Greater hours worked, fewer hours spent talking on the phone.
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Given the Formula E equals IR what is the formula for r
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E=IR

E/I= IR/I

E/I = R
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3 years ago
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