2 years ago

Which of the following describes how the margin of error is calculated?

1 answer:

7 0

The following option best describes how the margin of error is calculated: D. It is equal to the inverse of the square root of the sample size.
The small amount that is granted for in case of miscalculation or change of circumstances.

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A 12-member jury is to be selected from 15 men and 13 women. Find the probability that this jury has 6 or 7 males.

Bas_tet [7]

Answer:

The right solution is "0.5545".

Step-by-step explanation:

According to the question,

The probability of having 6 or 7 males will be:

= $P(6 \ males)+ P(7 \ males)$

= $\frac{15_C_6\times 13_C_6}{28_C_{12}} + \frac{15_C_7\times 13_C_5}{28_C_{12}}$

= $\frac{5005\times 1716+6435\times 1287}{30421755}$

= $\frac{16870425}{30421755}$

= $0.5545$

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2 years ago

Equations in the Form y = ax^2

ra1l [238]

Answer:

Step-by-step explanation:

It's 2 because 4^2 is 8 and 1^2 is 2 so that's how I got my answer

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2 years ago

A dog is standing 5 feet from the base of a tree, looking up at a cat that has climbed 16 feet up the tree. What is the angle of

Katena32 [7]

Answer:

x=72.6

Step-by-step explanation:

use inverse trig because your finding a missing angle. use tan because you haved opp/adj

tan-1=(16/5)

x=tan-1(16/5)

*use a calculator

x=72.6

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2 years ago

the lightest zoo resident is a leaf cutter ant at 5 micrograms. the heaviest is a giraffe weighing 1,000 kilograms. about how ma

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200 times. Because 1000 divided of 5 is 200. You could divide it using the algorithm.

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2 years ago

Read 2 more answers

What is 4.110 in word form

irga5000 [103]

Four and Eleven Hundredth

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3 years ago