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alexdok [17]
3 years ago
15

Find the probability that the sample mean deviates from the population mean μ = 108 by no more than 2.

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0
I actually dont understand what ur asking for vut 80
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A vehicle is moving at a constant speed travels 45 miles in 3/4 hour. The driver thinks he will be late to a meeting that is sti
Ivahew [28]

The unit rate is 60 miles per hour and the driver will reach before time with the calculated constant speed

Step-by-step explanation:

Given

Distance = d = 45 miles

Time = t = 3/4 hour

The unit rate is defined as the distance per unit time. In this case, the unit rate can also be called speed.

So,

s = \frac{d}{t}\\s = \frac{45}{\frac{3}{4}}\\s = 45 * \frac{4}{3}\\s = 60\ miles\ per\ hour

Using this unit rate we can see if the car can travel 65 miles in 1.25 hours or not

Given

Distance = d1 = 65 miles

Speed = s = 60 miles per hour

Putting the values in the formula for speed

s = \frac{d_1}{t_1}\\60 = \frac{65}{t_1}\\t_1 = \frac{65}{60}\\t_1 = 1.08\ hours

As we can see that 1.08 is less than 1.25 so the driver will reach the meeting before time if he drives on a constant speed of 60 miles per hour

Hence,

The unit rate is 60 miles per hour and the driver will reach before time with the calculated constant speed

Keywords: Speed, unit rate

Learn more about speed at:

  • brainly.com/question/9801816
  • brainly.com/question/96882

#LearnwithBrainly

7 0
3 years ago
The area of a rectangle is 99 ft^2, and the length of the rectangle is 7 more than double the width. Find the dimensions of the
Sergio039 [100]

Answer:

width =5.5ft

length =18

Step-by-step explanation:

w=x

L=2x+7

area=w*L

99 = x(2x+7)

99=2x^{2} +7x

2x^{2} +7x-99=0

2x^{2} +18x-11x-99=0

2x(x+9)-11(x+9)=0

(2x-11)(x+9)=0

2x-11=0

2x=11

x=11/2

x=5.5

L=2x+7=2*5.5+7=11+7=18

7 0
3 years ago
PLS HELP <br> ASAP PLS<br> WILL MARK BRAINLIEST
hoa [83]
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5 0
3 years ago
[I need the answer asap because my teacher wants this done today!] Which y coordinate can be found on the house?
Lynna [10]

Answer:

Your answer should be 5.

Hope this helps. :-)

3 0
3 years ago
What squared equals 125
OLga [1]

Answer:

The answer is about 11.1803399

Step-by-step explanation:

To find what squared equals 125, you will have to take the square root of 125.

\sqrt{125} ≈ 11.1803399

11.1803399^{2} ≈ 125

4 0
3 years ago
Read 2 more answers
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