Checking Accounts a Bank Has Determined That the Monthly Balances of the Balances

question 40

Short Answer

Checking Accounts
A bank has determined that the monthly balances of the checking accounts of its customers are normally distributed with an average balance of $1,200 and a standard deviation of $250. ​ ​
-{Checking Accounts Narrative} What proportion of customers have monthly balances between $950 and $1,075?

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Definitions:

LCD TVs

Televisions that utilize Liquid Crystal Display technology to produce images, known for their energy efficiency and slim profiles.

Hybrid Cars

Vehicles powered by a combination of an internal combustion engine and one or more electric motors using energy stored in batteries.

Motorcycles

Two-wheeled vehicles powered by an engine, designed for both transportation and recreation purposes.

Marginal Rate

The rate at which one quantity changes with respect to a small change in another quantity.