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Olegator [25]
3 years ago
12

18. Last time Francis checked, her credit score was 659. Since then, she applied

Mathematics
1 answer:
zepelin [54]3 years ago
8 0

Answer:

634

Step-by-step explanation:

659-25=634

Poor little Francis. :(

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The diameters of ball bearings are distributed normally. The mean diameter is 106 millimeters and the standard deviation is 4 mi
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Answer:

Probability that the diameter of a selected bearing is greater than 111 millimeters is 0.1056.

Step-by-step explanation:

We are given that the diameters of ball bearings are distributed normally. The mean diameter is 106 millimeters and the standard deviation is 4 millimeters.

<em>Firstly, Let X = diameters of ball bearings</em>

The z score probability distribution for is given by;

          Z = \frac{ X - \mu}{\sigma} ~ N(0,1)

where, \mu = mean diameter = 106 millimeters

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Therefore, probability that the diameter of a selected bearing is greater than 111 millimeters is 0.1056.

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