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Crazy boy [7]
3 years ago
12

2 25 divided by 11 10 in fraction

Mathematics
2 answers:
Mashutka [201]3 years ago
5 0

The given information is,

→ (2/25) ÷ (11/10) = ?

Let's find the required solution,

→ (2/25) ÷ (11/10)

→ (2/25) × (10/11)

→ 20/275

→ 4/55 {simplest form}

Hence, 4/55 is the answer.

koban [17]3 years ago
4 0

Answer:

\frac{4}{55}

Step-by-step explanation:

\frac{2}{25}  \div  \frac{11}{10}

\frac{2}{25}  \times  \frac{10}{11}

\frac{2}{5}  \times  \frac{2}{11}  =  \frac{2 \times 2}{5 \times 11}

\frac{4}{5 \times 11}

=  \frac{4}{55}

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Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

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The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

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This means that n = 2161, \pi = \frac{1214}{2161} = 0.5618

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Margin of error:

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M = 1.96\sqrt{\frac{0.5618*0.4382}{2161}}

M = 0.0209

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

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