If a sample of 77 students were taken from a population of 950 students, o^2 could refer to the variance of how many of the stud
2 answers:
Answer with explanation:
Sample of Students Chosen =950----N
Total Number of students = 77
Probability of choosing a student from 77 students, that is Probability of Success
Probability of Failure ,that is choosing a student from , 950-77=873, students
Approximately ,70 or 71 Students refer to the variance of of the students height.
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and then, the rectangle has a triangular hole in it
so.. get the area of the trapezoid
then get the area of the rectangle, which is just a 12x14
and then get the area of the triangle, which surely you know is 1/2 bh
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and whatever is left, namely the difference, add that to the area of the trapezoid, and that's the composite's area
namely the area of the trapezoid plus the rectangle's, minus the triangle's