2 = f/8 Solve the equation.
2 answers:
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Mean of the sample 8,3,7,3,4 is given by:
summation of x is:
hence
The variance will be
summation of x is:
hence
The variance will be
9514 1404 393
Answer:
The triangle is not acute because 2² + 4² < 5²
Step-by-step explanation:
The square of the hypotenuse of a right triangle with the given short sides would be 2² +4² = 20. So, that hypotenuse would be √20, about 4.47. The long side of this triangle is longer than that, so the angle opposite is larger than 90°. The triangle with sides 2, 4, 5 is an obtuse triangle.
The triangle is not acute because 2² + 4² < 5²
