Astatistics teacher asks her students how many hours, on average, they spend working for pay each week. the responses are: 21, 30, 0, 0, 15, 0, 15, 12, 10, 32.5, 0, 15, 10, 15, 5, and 25. a histogram starting at 0 hours and using bar widths of 10 would look like

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.