You Were Told That the Mean Score on a Statistics

question 80

Short Answer

You were told that the mean score on a statistics exam is 75 with the scores normally distributed.In addition,you know the probability of a score between 55 and 60 is 4.41% and that the probability of a score greater than 90 is 6.68%.What is the probability of a score between 75 and 90?

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Definitions:

Annual Contribution

The amount of money an individual contributes to a retirement, investment, or savings account within a single fiscal year.

Age 50

A reference to individuals who are fifty years old, often used in contexts that involve age-specific criteria or considerations, such as retirement planning or age-based discounts.

Retirement Plan

A financial arrangement designed to replace employment income upon retirement, often offering tax benefits.

Tax-Free Rollover

is a transfer of assets from one tax-deferred investment to another without incurring immediate tax liabilities.