Volume formula of sphere
2 answers:
The figure shown in the image provided is called a sphere. Note that a sphere can be thought of as a round ball. In geometric terms, a sphere is defined as a set of points that are a given distance from a given point. The given point is called the center of the sphere and the given distance from the center of the sphere to the set of points that form the sphere is called the radius of the sphere.
The volume of a sphere can be calculated by the formula that is shown in the second image that is provided below.
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Answer:
The sample space for selecting the group to test contains <u>2,300</u> elementary events.
Step-by-step explanation:
There are a total of <em>N</em> = 25 aluminum castings.
Of these 25 aluminum castings, <em>n</em>₁ = 4 castings are defective (D) and <em>n</em>₂ = 21 are good (G).
It is provided that a quality control inspector randomly selects three of the twenty-five castings without replacement to test.
In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.
The formula to compute the combinations of k items from n is given by the formula:
Compute the number of samples that are possible as follows:
The sample space for selecting the group to test contains <u>2,300</u> elementary events.