Devon needs a wood board with an area of 516 square yard to complete a project. If the wood board is 13 yard wide, how long must
1 answer:
Answer:
Step-by-step explanation:
<u><em>The correct question is</em></u>
Devon needs a wood board with an area of 5/16 square yard to complete a project. If the wood board is 1/3 yard wide, how long must the board be?
we know that
The area of a rectangle is equal to
where
L is the length
W is the width
we have
substitute
solve for L
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The standard deviation for the number of people with the genetic mutation in such groups is 3.1305.
<h3>Standard Deviation</h3>In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.
Let X be the number of people with genetic mutation is a group of 500,
The formula of standard deviation is given as
The standard deviation of the given sample is 3.1305
Learn more on standard deviation here;
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