Find the Indicated Probability or Percentage for the Normally Distributed

question 43

Multiple Choice

Find the indicated probability or percentage for the normally distributed variable.
-A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability of a
Rating that is between 170 and 220.

• A)0.2257
• B)0.1554
• C)0.0703
• D)0.3811

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Definitions:

Transpiration

The method through which water moves inside plants from the roots to tiny openings on the bottom of leaves, transforming into vapor before being emitted into the air.

Cohesion

The attraction between molecules of the same substance, which contributes to the integrity and stability of that substance.

Transpiration

The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.

Hydrogen Bonds

These are weak bonds formed between a hydrogen atom in one molecule and an electronegative atom (usually oxygen or nitrogen) in another molecule.