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SCORPION-xisa [38]
2 years ago
11

Select the correct answer. Which sentence correctly describes a data set that follows a normal distribution with a standard devi

ation of 4 and a mean of 14? A. 68% of the data points lie between 10 and 14. B. 68% of the data points lie between 8 and 12. C. 68% of the data points lie between 10 and 18. D. 68% of the data points lie between 10 and 16.
Mathematics
2 answers:
enot [183]2 years ago
8 0
Your correct answer will be option C for this question.
Artyom0805 [142]2 years ago
5 0

Answer: Option (c) is correct.

68% of the data points lie between 10 and 18.

Step-by-step explanation: Given :  a normal distribution with a standard deviation of 4 and a mean of 14

We have to choose the  sentence that correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14.

Since, given 68% data.

We know mean of data lies in middle.

And standard deviation is distribute equally about the mean that is 50% of values less than the mean  and 50% greater than the mean.

So, 68% of data lies

mean - standard deviation = 14 - 4 = 10

mean + standard deviation = 14 + 4 = 18

So, 68% of the data points lie between 10 and 18.

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What is the radical expression that is equivalent to the expression
puteri [66]

Hello from MrBillDoesMath!

Answer:

fourthroot(35)


Discussion:

The question is a bit unclear as to the desired answer.... but here goes!  

(35)^1/4 is the fourth root of 35, that is, symbolically,   fourthroot(35).

Note the fourth root of a number is the same as the square root of the square root of the number.

Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


6 0
3 years ago
Jane run 7 miles in 60 minutes. At the same rate, how many miles will she run in 24 minutes
statuscvo [17]

Answer:

Denote the amount of miles she will run in 24 minutes: x

=> x/24 = 7/60 (same rate)

=> x = 7x24/60 = 2.8 (miles)

5 0
3 years ago
the ratio of cats and dogs at the city pound is 92 to 144.which statement descrbes this relationship?
Alexeev081 [22]

Answer:

There are 23 cats for every 36 dogs at the city pound

Step-by-step explanation:

This means that for every group of 92 cats at the city compound there is a group of 144 dogs. So it also means that for every group of 23 cats there is a group of 36 dogs.

92 to 144 or 92/144 = 23/26  or 23 to 36

<h2>Hope This Helps Out</h2>
5 0
1 year ago
Read 2 more answers
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givi [52]

Answer:

7.5 miles / hour

Step-by-step explanation:

See the step-by-step solution in the picture attached below.

I hope this answer will help you. Have a nice day !

7 0
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Easy algebra question below first correct answer gets brainliest
Aliun [14]

Answer:

x =  \sqrt{5}

Step-by-step explanation:

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