Asimple random sample of items resulted in a sample mean of . the population standard deviation is . a. compute the confidence interval for the population mean. round your answers to one decimal place. ( , ) b. assume that the same sample mean was obtained from a sample of items. provide a confidence interval for the population mean. round your answers to two decimal places. ( , )

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !

nope.   happens to me as well.

-aparri

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99