You needed a supplier that could provide parts as close to 76.8 inches in length as possible. You receive four contracts, each with a promised level of accuracy in the parts supplied. Which of these four would you be most likely to accept? a) Mean of 76.8 with a 95% confidence interval of 76.6 to 77.0
b) Mean of 76.800 with a 99% confidence interval of 76.5 to 77.1
c) Mean of 76.8 with a 99% confidence interval of 76.6 to 77.0
d) Mean of 76.800 with a 90% confidence interval of 76.6 to 77.0

What is the 12th term of b(n)=-4-2(n-1)

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m