What is angle "b" ? 45 degrees 60 degrees 50 degrees 40 degrees
1 answer:
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Answer:
Step-by-step explanation:
The given expression is:
We expand the parenthesis using the distributive property to obtain;
Recall that;
We apply this property and multiply out the constant terms to obtain;
The variance for the data is 17,507. 5.
Given
The weekly salaries of a sample of employees at the local bank are given in the table below.
Employee Weekly Salary Anja $245 Raz $300 Natalie $325 Mic $465 Paul $100.
<h3>Variance</h3>Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics.
The mean value of the salaries of employees is;
The variance is given by;
Hence, the variance for the data is 17,507. 5.
To know more about variance click the link given below.