A salesman for a shoe company claimed runners would run faster races if they wore the company's brand of running shoe. A track coach wanted to see how much faster his runners would run, if they wore the company's shoes. He randomly selected 8 runners and had each of them run the 100-yard dash, twice. They wore their usual shoes to run the race on one day, and they wore the company's shoe to run the race on another day. Their times for both races were recorded, and the coach randomly selected the day each runner would wear the company's brand of shoe. Which confidence interval would be most appropriate for this study?a. ne sample z-confidence intervalb. One sample t-confidence intervalc. Paired-samples t-confidence intervald. Two sample t-confidence interval

3=log(n)=2

answer a: product property

over the argument its not good to fight.

pretty sure 750 each month!

step-by-step explanation:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.