3 years ago

There are 15 dogs 12 cats 3 snakes and 5 parakeets. What percent of the number of cats is the number of dogs

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

8 0

$\frac{12}{15}$

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You measure 20 dogs' weights, and find they have a mean weight of 64 ounces. Assume the population standard deviation is 11.5 ou

Assoli18 [71]

95% confidence interval would be (58.96, 69.04).

Step-by-step explanation:

Since we have given that

Number of dogs' weight = 20

Mean = 64 ounces

Standard deviation = 11.5 ounces

We need to find the 95% confidence interval.

So, z = 1.96

so, interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=64\pm 1.96\times \dfrac{11.5}{\sqrt{20}}\\\\=64\pm 5.04\\\\=(64-5.04,64+5.04)\\\\=(58.96,69.04)$

Hence, 95% confidence interval would be (58.96, 69.04).

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vovikov84 [41]

Answer:

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Step-by-step explanation:

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What solid figure has 4 faces 6 vertices

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I don't think there is one. A triangular pyramid has 4 faces and 4 vertices, and a <em>square pyramid</em> has 4 faces and 5 vertices;

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the answer is y=4x-11

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