a. A random sample of 43 cars in the drive-thru of a popular fast food restaurant revealed an average bill of $18.58 per car. The population standard deviation is $6.22. Estimate the mean bill for all cars from the drive-thru with 97% confidence. Round intermediate and final answers to two decimal places.
A printer prints 5 photos each minute. Let P be the number of photos printed in M minutes. Write an equation relating P to M. Then graph your equation using the axes below.
In 1897,J.J Thompson would gain recognition for discovering the electron and would later win a noble prize for his ________ model of the atom?
Fill in the table with the volume of each sample. Use the periodic table to find the molar mass of each molecule. Then calculate the mass of the gas in each balloon.Periodic TableFirst, compare the two oxygen samples. Consider how volume relates to the number of moles. Now compare the two gases with the same volume. Is there a relationship between volume and mass?
Karl borrowed $5,700 from the bank for a year at 9% simple interest. What was the amount he paid back to the bank?
The ages (in years) of the 6 employees at a particular computer store are the following.31, 41, 35, 22, 38, 31Assuming that these ages constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places.(If necessary, consult a list of formulas.)
Which models of the atom include a structure that is mostly made of empty space?RutherfordThomsonBohrQuantum mechanical
Calculate the resistance in milliOhms of a copper wire 2.84 m long and 0.04 m diameter? The resistivity of copper is 1.7 x 10^-8.
Points that lie on the same line are called:A. non-collinear and non-coplanarB. opposite raysC. coplanar and non-collinearD. collinear and coplanar
Debra brought a desk on sale for $438. This price was 73% of the original price. What was the original price