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lakkis [162]
3 years ago
9

Distance vs time Scatter plot

Mathematics
1 answer:
torisob [31]3 years ago
4 0
Is this a question? If you want to know the relationship, then in a scatter plot, the distances between each point will matter through a period of time.
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A cookie factory monitored the number of broken cookies per pack yesterday.
trapecia [35]

Answer:

Confidence Interval - 2.290 < S < 2.965

Step-by-step explanation:

Complete question

A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of 50 cookies. The mean is 23.33 and the standard deviation is 2.6. Construct a 80% confidence interval estimate of the standard deviation of the numbers of chocolate chips in all such cookies.

Solution

Given  

n=50

x=23.33

s=2.6

Alpha = 1-0.80 = 0.20  

X^2(a/2,n-1) = X^2(0.10, 49) = 63.17

sqrt(63.17) = 7.948

X^2(1 - a/2,n-1) = X^2(0.90, 49) = 37.69

sqrt(37.69) = 6.139

s*sqrt(n-1) = 18.2

s\sqrt{\frac{n-1}{X^2 _{(n-1), \frac{\alpha }{2} } } \leq \sigma \leq s\sqrt{\frac{n-1}{X^2 _{(n-1), 1-\frac{\alpha }{2} } }

confidence interval:

(18.2/7.948) < S < (18.2/6.139)

2.290 < S < 2.965

8 0
2 years ago
Answer -3(9+3)*2/2*2-(-2)
daser333 [38]

Answer:

-70

Step-by-step explanation:

3 0
3 years ago
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If two circles are externally tangent, it is not possible to draw an external tangent line. True/False
kotykmax [81]

Answer:

I think its true

Step-by-step explanation:

6 0
2 years ago
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Find each angle measure. ( Diagrams are not drawn to scale.)​
irina1246 [14]

Answer:

1-141

2-39

3-141

Step-by-step explanation:

180-39=141

1 and 3 look the same size and 2 looks the same as c (39°) so you jsut fill in for the letters

I'm pretty sure this is right

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3 years ago
When factoring 8x + 12y - 24, the biggest factor will be 4? True or False?
podryga [215]
True, the biggest factor will be 4 :)
3 0
2 years ago
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