6
A contractor needs to purchase 500
10.2 cm by 20.3 cm, and the density of each brick is
to purchase 500 bricks. The dimensions of each brick are 5.1 cm by
density of each brick is 1920 kg/m”.
The maximum capacity of the contractor's trailer is
500 bricks? Justify your answer.
entractor's trailer is 900 kg. Can the trailer hold the weight of

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.