You Were Told That the Mean Score on a Statistics

question 130

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 55 and 90?

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Definitions:

Occupancy Expenses

Occupancy expenses are costs associated with renting or maintaining premises for business operations, such as rent, utilities, and property taxes.

Client-Visits

Meetings or interactions with clients, often used to build relationships, assess needs, or deliver services.

Activity Variance

The difference between budgeted and actual activity levels, often analyzed in cost accounting and performance management.

Cleaning Equipment

Assets such as vacuums, mops, and detergents used in maintaining tidiness and hygiene standards at a workplace or production facility.