Atablet computer costs $189.69. it is marked up 30%. what is the final price of the tablet computer after it is marked up? $56.91 $132.78 $219.69 $246.60

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed