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leonid [27]
2 years ago
11

If you increase the length on a parallelogram by 4 cm, what happens to the perimeter?​

Mathematics
2 answers:
Veronika [31]2 years ago
6 0

Answer:

It gains 8 cm

Step-by-step explanation:

ollegr [7]2 years ago
6 0

Answer:

We know that all the sides of a square are equal. Perimeter of a square is 4 times of s side. Perimeter of a square = 4 × length of a side.

Step-by-step explanation:

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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
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3 years ago
Mr. Anderson tosses a coin 15 times and it landed on tails 9 times. What is the probability of landing on tails on his 16th toss
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