The error percentage is 4.13%.
<h2>Error percentage</h2>
The amount of mistakes is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.
Given
Annie estimates that the height of a bookcase is 78.25 in.
The actual height is 75.50 in.
<h3>To find </h3>
The error percentage.
<h3>How to find the error percentage?</h3>
We know the formula for the error percentage.
The error percentage is 4.13%.
More about the error link is given below.
brainly.com/question/13286220
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This is an imaginary number = sqrt105 * i = 10i ro nearest integer
Answer:
2/7
Step-by-step explanation:
There are 22 (12 + 10) total students in the class. That means that the chance of the first student picked being a girl is 12/22.
Now, we must calculate the chance of the next student to be picked <em>also </em>being a girl - however, there is a trap here! Remember that since a girl has been picked, the total student pool has decreased to 21 and and the total number of girls has decreased to 11. This means the new chance of girl being picked is 11/21.
To find the probability of both these events happening in conjunction, these fractions must be multiplied. 12/22 * 11/21 = 132/462, which simplifies to 2/7.
