Answer:
x ≈ 65.4 °
Step-by-step explanation:
cos x =
Cos x =
Cos x = 0.4167
x = Cos⁻¹ (0.1467)
x ≈ 65.4 °
Multiply 60 times 7 410, 420, 67, or 430?
1 answer:
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Answer:
Explained below.
Step-by-step explanation:
The human resource department at a certain company wants to conduct a survey regarding worker morale. The department has an alphabetical list of all 4,502 employees at the company and wants to conduct a systematic sample of size 50.
Systematic sampling is a kind of probability sampling method in which individuals from a larger population are nominated according to a random initial point and a static, periodic interval.
(a)
A sample of size 50.
Then the value of <em>k</em> will be:
Thus, the value of <em>k</em> is 90.
(b)
Label the employees from 1 to 4502.
And select every 90th employee.
So, the individuals who will be administered the survey are:
90th, 180th, 270th,...