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julia-pushkina [17]
3 years ago
14

Ben randomly selects five students from his class, and collects data on the number of hours of sleep they got the previous night

. From these data, he computes a 95% confidence interval as 6.42 + 2. What may he conclude from this interval?
Mathematics
1 answer:
Ainat [17]3 years ago
8 0

Answer:

can you help me to How do wetlands form?

Tributaries flow into rivers.

Runoff travels down the side of a divide.

Water builds up in a depression left by an ice sheet.

Groundwater comes to the surface and floods the land.

Step-by-step explanation:

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Please help ASAP don’t mind the scribbles
hjlf

U = 1

L = 0

R = -2

I = 24

M = 17

H = -3

E = 100

S = -439

O = 11

B = -6

T = -41

D = 19

C = 206

<em>Hope this helped ! :)</em>

8 0
3 years ago
Question:<br><br> What is the value of the expression shown?<br> 24 − 52
KatRina [158]

Answer:

-28

Step-by-step explanation:

52-24= 28

so the opposite

24-58= -28

3 0
3 years ago
Choose the correct simplification of 8x2(4x 2x2 − 1). (5 points) group of answer choices 32x4 − 16x3 8x2 32x4 16x3 − 8x2 16x4 −
nekit [7.7K]

The second option is the correct answer

16x^{4}+40x^{3} -24x^{2}

The expression given to us is:

8x^{2} (5x+2x^{2}-3 )

Herein, we can simplify it by opening up the bracket and multiplying each term inside the bracket by the term which is outside the bracket.

Thus, we get:

8x^{2} (5x+2x^{2}-3 )=8*5x^{2+1} +8*2x^{2+2}-8*3x^{2}

40x^{3} +16x^{4}-24x^{2}

Rearranging the above expression in descending order of power we get:

16x^{4}+40x^{3} -24x^{2}

From the given options we can see this is the second option. Hence the second option is the correct answer.

Learn more about equation here brainly.com/question/14180340

#SPJ4

8 0
2 years ago
WHOEVER ANSWERS THIS CORRECTLY IN 3 MINS GETS BRAINLIEST!!
tiny-mole [99]

Answer:

Step-by-step explanation:

C

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 74. One number is 6 times less than 4 times the second number. Find the two numbers.
OLEGan [10]
I'll get you started. Let x and y be the two numbers. we have:                      x  +  y  =  74      (sum is 74)                       x  =  4y  - 6        (the number x is six less than 4 times y) Now that you have the equations use an algebraic techniques to eliminate one variable thereby solving for the other. If you need more help add a comment to your question.


3 0
3 years ago
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