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Nady [450]
4 years ago
12

In a negatively skewed distribution of exam scores, Tom scored at the mean, Mary scored at the median, and Jane scored at the mo

de. Who had the highest score?
Mathematics
1 answer:
ivolga24 [154]4 years ago
7 0

Answer:

Jane

Step-by-step explanation:

In a negatively skewed distribution, higher values are more frequent than lower values causing the distribution to present a longer left-tail. This implies in a median higher than the mean and in a mode higher than the median:

mean < median < mode.

Therefore, since Jane scored at the mode, Jane had the highest score.

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PLEASE HELP!!!!!!!!!!
AnnZ [28]

Given:

The graph of an exponential function.

To find:

The function in the form of f(x)=ab^x.

Solution:

The general form of an exponential function is

f(x)=ab^x                ...(i)

From the given graph it is clear that the function passes through the points (0,4) and (1,7). It means these points will satisfy the function.

For x=0 and f(x)=4,

4=ab^0

4=a(1)

4=a

For x=1 and f(x)=7,

7=ab^1

Putting a=4, we get

7=4(b)

\dfrac{7}{4}=b

Substitute a=4 and b=\dfrac{7}{4} in (i).

f(x)=4\left(\dfrac{7}{4}\right)^x

Therefore, the required exponential function is f(x)=4\left(\dfrac{7}{4}\right)^x.

8 0
3 years ago
That is, what is the 142nd odd number?​
Kitty [74]

Answer and step-by-step explanation:

I believe it is 287. I am not entirely sure, but I believe that is the answer.

4 0
3 years ago
Please help :) :) :)
Hatshy [7]

<span>A motorboat travels 222 km in 6 hours going upstream.
Rate = distance/time = 222/6 = 37 km/hr
----------------------
It travels 390 km going downstream in the same amount of time.
Rate = distance/time = 390/6 = 65 km/hr
---------
What is the rate of the boat in still water and what is the rate of the current?
Equations:
Upstream: b-c = 37 km/hr
Downstrm: b+c = 65 km/hr</span>

<span>Add and solve for "b":
(2)b = 102 km/hr
b = 51 km/hr (speed of the boat in still water)
-----
Solve for "c":
b+c = 65
51 + c = 65
c = 14 km/hr (speed of the current)</span>


7 0
3 years ago
Solve for x.
VladimirAG [237]
The answer is 4. 

you just do (2)4x-1 = 30 
<span>
since the midseg. is half the parall side

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! </span>
8 0
4 years ago
Govo<br> Raisins cost 87¢ for 3 boxes. What is<br> the unit cost, or price per box?
sineoko [7]

Answer:

$ .29 per box is the answer.

Step-by-step explanation:

What you are going to do is divide.

<em>.87/3 = .29</em>

$ .29 per box is the answer.

4 0
3 years ago
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