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Pepsi [2]
3 years ago
8

Helppppppppppppp meeee plsssssss

Mathematics
1 answer:
Mama L [17]3 years ago
8 0

Answer:

45

Step-by-step explanation:

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Use formulas to find the area of the figure. A triangle has a horizontal bottom side of length 8 centimeters and two sides of le
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Don't let people bring you down you got this

Step-by-step explanation:

7 0
3 years ago
drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w
GenaCL600 [577]

Answer:

95% Confidence interval:  (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0
3 years ago
Please tell me where I went Wrong. I am Confused
aivan3 [116]
The final answer would be 39/19 it doesn't simplify any more and if it did the 19 would be reduced as well as the 39
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What Does 9/12 equal to?
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Divide the numerator and denominator to reduce the fraction.
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Which equation has the same solutions as 2x^2+16x-10=0 a) (x+4)^2=-3 b) (x+4)^2=-11 c) (x+4)^2=13 d) (x+4)^2=21
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