A random sample of 12 bicycles had a mean price of x = $253.75 with a sample standard deviation of S = $58.97. Find a 90% confidence interval for the population mean price, H. of all bicycles. Assume x has
a distribution that is approximately normal.
Round the margin of error to 2 decimal places.

Write 17/20 as a decimal and as a percent.

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.