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VARVARA [1.3K]
4 years ago
7

Which line plot displays a data set with an outlier? An untitled line plot from 10 to 21. The plot displays the following values

as dots above the corresponding value on the number line. One dot at 11. Three dots at 13. Two dots at 14. Three dots at 15. One dot at 16. Three dots at 17. One dot at 18. One dot at 20. An untitled line plot from 3 to 14. The plot displays the following values as dots above the corresponding value on the number line. One dot at 4. Two dots at 5. Five dots at 6. Two dots at 7. Two dots at 8. Two dots at 9. One dot at 10. One dot at 11. Two dots at 12. One dot at 13. An untitled line plot from 3 to 14. The plot displays the following values as dots above the corresponding value on the number line. One dot at 4. Two dots at 5. Three dots at 6. Two dots at 7. One dot at 8. Three dots at 10. One dot at 11. One dot at 13. An untitled line plot from 2 to 14. The plot displays the following values as dots above the corresponding value on the number line. Four dots at 3. One dot at 4. Two dots at 5. Five dots at 6. Two dots at 7. One dot at 8. One dot at 13.
Mathematics
2 answers:
shepuryov [24]4 years ago
5 0

Answer: ok this is going to be hard to explain without the picture but, here you go  

    (im talking about the numbers below the number line and the circles above it to find the choice that matches to a b c or d)

2: 0 circles 3: 4 circles 4: 1 circle 5: 2 circles 6: 5 circles 7: 2 circles 8: 1 circle 9:  0 circles 10: 0 circles 11: 0 circles 12: 0 circles 13: 1 circle and last but not least 14: 0 circles. Find the answer on your quiz that matches what I just said.  

           

Step-by-step explanation: I did the quiz and saw the correct answer so just find the one that matches what I just said then your good. Have a good day.

Step-by-step explanation:

RSB [31]4 years ago
4 0

Answer:

Is there a picture because I don’t know what you need help with you typed a lot of words but not a picture

Step-by-step explanation:

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How much grain can this container hold?
gulaghasi [49]

Answer:

953.78 in³

Step-by-step explanation:

Area of circle = πr²

The area of the base

= 3.14×(9÷2)²

= 63.585 in²

The capacity of the container

= 63.585×15

= 953.775 in³

4 0
3 years ago
Simplify: 5.4 x 7/4
Anon25 [30]
The solution for this problem is 9.45
4 0
4 years ago
Read 2 more answers
The amount of water in a bottle is approximately normally distributed with a mean of 2.55 liters with a standard deviation of 0.
Natalka [10]

Answer:

a) P(X

b) P(\bar X

c) P(\bar X

d) For part a we are just finding the probability that an individual bottle would have a value of 2.52 liters or less. So we can't compare the result of part a with the results for parts b and c.

If we see part b and c are similar but the difference it's on the sample size for part b we just have a sample size 4 and for part c we have a sample size of 25. The differences are because we have a higher standard error for part b compared to part c.

Step-by-step explanation:

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".  The letter \phi(b) is used to denote the cumulative area for a b quantile on the normal standard distribution, or in other words: \phi(b)=P(z

Let X the random variable that represent the amount of water in a bottle of a population, and for this case we know the distribution for X is given by:

X \sim N(2.55,0.035)

a. What is the probability that an individual bottle contains less than 2.52 liters?

We are interested on this probability

P(X

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}

If we apply this formula to our probability we got this:

P(X

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(X

b. If a sample of 4 bottles is selected, what is the probability that the sample mean amount contained is less than 2.52 liters? (Round to three decimal places as noeded)

And let \bar X represent the sample mean, the distribution for the sample mean is given by:

\bar X \sim N(\mu,\frac{\sigma}{\sqrt{n}})

On this case  \bar X \sim N(2.55,\frac{0.035}{\sqrt{4}})

The z score on this case is given by this formula:

z=\frac{\bar x-\mu}{\frac{\sigma}{\sqrt{n}}}

And if we replace the values that we have we got:

z=\frac{2.52-2.55}{\frac{0.035}{\sqrt{4}}}=-1.714

For this case we can use a table or excel to find the probability required:

P(\bar X

c. If a sample of 25 bottles is selected, what is the probability that the sample mean amount contained is less than 2.52 liters? (Round to three decimal places as needed.)

The z score on this case is given by this formula:

z=\frac{\bar x-\mu}{\frac{\sigma}{\sqrt{n}}}

And if we replace the values that we have we got:

z=\frac{2.52-2.55}{\frac{0.035}{\sqrt{25}}}=-4.286

For this case we can use a table or excel to find the probability required:

P(\bar X

d. Explain the difference in the results of (a) and (c)

For part a we are just finding the probability that an individual bottle would have a value of 2.52 liters or less. So we can't compare the result of part a with the results for parts b and c.

If we see part b and c are similar but the difference it's on the sample size for part b we just have a sample size 4 and for part c we have a sample size of 25. The differences are because we have a higher standard error for part b compared to part c.  

3 0
3 years ago
Help me solve them plsss...both of the questions :)
zaharov [31]

\bold{\text{Answer:}\quad \dfrac{\sqrt2}{144}}

<u>Step-by-step explanation:</u>

When you plug in 3 directly to the equation, you get 0/0

Since it is indeterminate, you have to use L'Hopital's Rule.

That means that you find the limit of the DERIVATIVE of the numerator and the DERIVATIVE of the denominator.

\dfrac{d}{dx}(\sqrt{5+\sqrt{2x+3}}-2\sqrt2)\quad = \dfrac{1}{2\sqrt{5+\sqrt{2x+3}}(\sqrt{2x+3})}\\\\\\f'(3)\ \text{for the numerator}\ =\dfrac{1}{12\sqrt2}\\\\\\\\\dfrac{d}{dx}(x^2-9) = 2x\\\\\\f'(3) \text{for the denominator}\quad = 6\\\\\\\dfrac{f'(3)\ \text{numerator}}{f'(3)\ \text{denominator}}\quad = \dfrac{\dfrac{1}{12\sqrt2}}{6}\quad = \dfrac{1}{72\sqrt2}\quad \rightarrow \large\boxed{\dfrac{\sqrt2}{144}}

4 0
3 years ago
Read 2 more answers
Read the proposition and the implication shown below. "If the lights are off, there is no one inside." Which statement is a cont
charle [14.2K]
The contrapositive switches the hypothesis and the conclusion and negates both in this form:
Statement: If A, then B
Contrapositive: If not B, then not A. 

In this case, the statement is: 
<span> "If the lights are off, there is no one inside."
Contrapositive:
If there is someone inside, the lights are on. </span>
4 0
3 years ago
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