- TV RATINGS The table below shows the number
of viewers* of the 2008 Major League Baseball
World Series between the Philadelphia Phillies and
the Tampa Bay Rays. How large was the average
(mean) audience?
120. SURVEYS Some students were asked to rate their
college cafeteria food on a scale from 1 to 5. The
responses are shown on the tally sheet.
a. How many students took the survey?
b. Find the mean (average) rating.
112 Chapter 1 Whole Numbers
Game 1 Wednesday, Oct. 22 14,600,000
Game 2 Thursday, Oct. 23 12,800,000
Game 3 Saturday, Oct. 25 9,900,000
Game 4 Sunday, Oct. 26 15,500,000
Game 5 Monday, Oct. 27 13,200,000
(suspended in 6th
inning by rain)
Game 5 Wednesday, Oct. 29 19,800,000
(conclusion
of game 5)
* Rounded to the nearest hundred thousand
(Source: The Nielsen Company)AP Images- YOUTUBE A YouTube video contest is to be part
of a kickoff for a new sports drink. The cash prizes
to be awarded are shown below.
a. How many prizes will be awarded?
b. What is the total amount of money that will be
awarded?
c. What is the average (mean) cash prize?
Grand prize: Disney World vacation plus $2,500
Four 1st place prizes of $500
Thirty-five 2nd place prizes of $150
Eighty-five 3rd place prizes of $25YouTube Video ContestWRITING
- Explain why the order of operations rule is
necessary. - What does it mean when we say to do all additions
and subtractions as they occur from left to right?
Give an example. - Explain the error in the following solution:
Evaluate: - Explain the error in the following solution:
Evaluate:
REVIEW
Write each number in words.- 254,309
- 504,052,040