The lengths of a certain species of fish are approximately normally distributed with a given mean (look at the picture) and stan
dard deviation (look at at the picture) . According to the Empirical Rule, what percentage of the fish will have lengths within 1 standard deviation of the mean?
34%
47.5%
68%
99.7%
34%
47.5%
68%
99.7%
2 answers:
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The simplified form of given expression is
<em><u>Solution:</u></em>
Given that we have to simplify the expression
<em><u>Given expression is:</u></em>
We can simplify the expression by multiplying each term in first bracket with each term term in second bracket
Simplify the above expression by multiplying the numbers in each term and adding the coefficients of like variables in each term
Combine the like terms
Thus the expression is simplified