Refer to Exhibit 1. The probability of assembling the product in 7 minutes or more is 0.75 O zero 0.25 1

The assembly time for a product is uniformly distributed between 5 to 10 minutes. The expected assembling time (in minutes) for a product is

The stem-and-leaf plot illustrates the average number of text messages per hour sent by teenagers who answered an online survey about their use of technology to communicate. Stem Leaf 217 means 27 texts 023445688999 10001111567 20457 3 40 Select the correct statement in regard to the row that has a stem of 4. O There were 40 teenagers who sent texts in an hour.. O There were 0 teenagers that sent 4 texts in an hour. O One student responded that they sent 40 texts in an hour. O There were 0 teenagers who sent 40 texts in an hour.

Data for motor vehicle production in a country for the years 1997 to 2004 are given in the table. Year 1997 1998 1999 2000 2001 2002 2003 2004 Thousands 1,578 1,671 1,805 2,009 2,391 3,219 4,415 5,092 (A) Find the least squares line for the data, using x = 0 for 1990. y = (Use integers or decimals for any numbers in the expression. Do not round until the final answer. Then round to the nearest tenth as needed.)