Questions from Financial Algebra

Q: Write the formula for the mean cell phone bill from March to

Write the formula for the mean cell phone bill from March to September using sigma notation and determine that mean. Round your answer to the nearest cent.

Q: A certain rail company uses a method called demand pricing for setting

A certain rail company uses a method called demand pricing for setting the prices of their seats. The price per seat starts at a fixed amount. As the train starts to fill up, the prices gradually incr...

Q: Many people travel to Florida to visit the popular theme parks there

Many people travel to Florida to visit the popular theme parks there. The table below lists yearly attendance at one of those parks for 6 consecutive years. a. Add a “Relative Freq...

Q: The table below lists all train fares quoted from Washington, DC

The table below lists all train fares quoted from Washington, DC, to Philadelphia, PA, on a given day. a. Write an algebraic expression for the percentile rank of $42. b. Write an algebraic express...

Q: The following is a distribution of the number of individual song downloads

The following is a distribution of the number of individual song downloads made by students in Arlington High School’s Acoustic Café Club last year. 12, 11, 21, 43, 23, 51, 19, 22, 88, 60 a. Find the...

Q: During a recent summer month, airfares from Miami, FL,

During a recent summer month, airfares from Miami, FL, to Seattle, WA, were normally distributed with mean $760 and standard deviation $136. a. Sketch a normal curve and shade in the interval below $...

Q: Determine if the scatter plot below depicts a positive correlation or a

Determine if the scatter plot below depicts a positive correlation or a negative correlation.

Q: A distribution consists of 30 scores of 10 and 30 scores of

A distribution consists of 30 scores of 10 and 30 scores of 20. Find the ratio of the range to the standard deviation.

Q: MoviePlay is an online movie rental service. They have a sliding

MoviePlay is an online movie rental service. They have a sliding price list based upon the popularity of the movies. The table below shows the rentals by price category for the month of September. Let...

Q: The table below lists the percentage of households with an income of

The table below lists the percentage of households with an income of $100,000 or more that spent money on fitness-related activities over the course of one year as reported by statista.com. a. Witho...