Tis
14) if a box has red and blue balls in a ratio of 3: 4 red
to blue, how many red balls are there if 80 blue
balls are in the box?
a. 40
b. 60

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit