A random sample of 15 hourly fees for car washers (including tips) was drawn from a normal population. The sample mean and sample standard deviation were = $14.9 and s = $6.75.

Can we infer at the 5% significance level that the mean fee for car washers (including tips) is greater than $12.5?

Can we infer at the 5% significance level that the population mean is greater than $12.5, assuming that you know the population standard deviation is equal to 6.75?

Use the spider tool located on page 1 of this activity to draw a 12-pointed star for the new logo. (hint: if the spider rotates 360 degrees -- or 720 degrees or 1080 degrees -- she will be facing in the same direction in which she started. when the spider is done drawing, you want her to be facing in the same direction in which she started. she'll be making 12 rotations, all the same size, so each rotation must be some multiple of 360/12 = 30 degrees.) urgently. been stuck on this problem for around 45 minutes now.! it should be easy if you're smart enough