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julia-pushkina [17]
3 years ago
5

How many kilometers in a meter

Mathematics
2 answers:
DENIUS [597]3 years ago
8 0
There are 0.001 kilometers in a meter.
PolarNik [594]3 years ago
8 0
0.001 kilometers in a meter
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No

Step-by-step explanation:

One infinity cannot be larger than another

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Question 3 of 10 What is the slope of the line shown below? C O A. 5 5 (3,7) B. 2 O D.-2​
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Need help with this please and thanks :)
OLEGan [10]

Answer:

The value of Cos(01) is 0.866 or √3/2

Step-by-step explanation:

7 0
3 years ago
A true/false test has 40 questions. Suppose a passing grade is 30 or more correct answers. Test the claim that a student knows m
Angelina_Jolie [31]

Answer:

z≈3.16

p≈0.001

we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

Step-by-step explanation:

As a result of step 2, we can assume normal distribution for the null hypothesis

<em>step 3:</em>

z statistic is computed as follows:

z=\frac{X-M}{\frac{\sqrt{p*(1-p)} }{\sqrt{N} } } where

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  • M is the expected proportion of correct answers according to the null hypothesis (0.5)
  • p is the probability of correct answer (0.5)
  • N is the total number of questions in the test (40)

z=\frac{0.75-0.50}{\frac{\sqrt{0.5*(0.5)} }{\sqrt{40} } } ≈ 3.16

And corresponding p value for the z-statistic is p≈0.001.

Since p<0.05, we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

7 0
3 years ago
I need help I don’t understand how to do this
hichkok12 [17]

Answer:

your answer is 7 for this problem

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3 years ago
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