# Algebra homework help

## simple Algerbra due now!

Answer first line problem 1 & 2 write in correct mathematical format. Thanks

## MA240 College Algebra

**Sources must be cited in APA format. Your response should be four (4) double-spaced pages; refer to the "Assignment Format" page located on the Course Home page for specific format requirements.**

## A+ Answers

1. At an office of transcription workers at a large hospital, it is common for a transcriber to type without a break for up to 3 hours. It was decided to test the effects of ergonomically designed work stations (i.e., properly adjusted and fitted office chairs, adjustable computer keyboards, and wrist rests) on the length of time before feeling uncomfortable or fatigued in the upper extremities, neck, and back. Two groups of nine employees were recruited.

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## A+ Answers

A random sample of 100 students attending a concert spent an average of $142 on their tickets with a standard deviation of $47.50. Calculate the 90%, 95%, and 99% confidence intervals for the mean amount of money spent by all students attending the concert.

Interpret your response within the context of the situation.