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skad
2 months ago
15

The production department has installed a new spray machine to paint automobile doors. As is common with most spray guns, unsigh

tly blemishes often appear because of improper mixtures or other problems. A worker counted the number of blemishes on each door. Most doors had no blemishes; a few had one; a very few had two; and so on. The average number was 0.5 per door. The distribution of blemishes followed the Poisson distribution. Out of 10,000 doors painted, about how many would have no blemishes
Mathematics
1 answer:
lawyer [12.5K]2 months ago
3 0
Approximately 6065 doors will likely be free of blemishes. The worker's count of blemishes on each door is noted as X, with the distribution of blemishes following a Poisson distribution characterized by a specific parameter per door. The probability mass function for this distribution indicates that the probability of having no blemishes (P(X=0)) stands at 0.6065. Assuming the total number of doors painted is 10,000, the equation to find how many doors remain blemish-free is calculated as the number of doors multiplied by the probability: qp = 10,000(0.6065), which results in around 6065 doors.
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Here’s the response provided

Step-by-step explanation:

Referring to the flask diagram, the diameter of the cylinder measures 1 inch and its height (h) is 3 inches. Thus, the radius of the cylinder (r) = diameter / 2 = 1/2 = 0.5 inch

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<pWhen the cylinder and the sphere are expanded by a scale factor of 2, the height (h') of the cylinder becomes 3/2 = 1.5 inches and the radius (r') becomes 0.5/2 = 0.025 inches.

The new volume for the cylinder = πr'²h' = π(0.25)² × 1.5 = 0.29 in³

For the sphere, the new radius is R' = 2.25 / 2 = 1.125 in.

The new volume of the sphere = 4/3 (πR'³) = 4/3 × π × 1.125³ = 5.96 in³

Thus, the new volume of the flask = The new volume of the cylinder  + The new volume of the sphere = 0.29 + 5.96 = 6.25 in³

<pThe ratio of the new volume to the original volume = New Volume of the flask / Volume of the flask = 6.25 / 50.07 = 1/8 = 0.125<pThe resulting volume will thus be 0.125 times the original volume

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