3 years ago

Helppppppppppppp meeee plsssssss

1 answer:

8 0

Answer:

Step-by-step explanation:

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polet [3.4K]

Answer:

Don't let people bring you down you got this

Step-by-step explanation:

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3 years ago

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.

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3 years ago

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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3 years ago

sveticcg [70]

3/4 = or .75
Divide the numerator and denominator to reduce the fraction.

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3 years ago

ikadub [295]

I'm working on the same thing down load the algebra tiger it really helps a lot I promise I use it daily to help with these

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3 years ago