Mathematics, 06.11.2019 07:31 lsizzle59
Rooks are randomly placed on different squares of a chessboard. a rook is said to attack all of the squares in its row and its column. compute the probability that every square is occupied or attacked by at least rook. you may leave unevaluated binomial coefficients in your answer.
Answers: 2
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 19:00
Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).
Answers: 1
Mathematics, 21.06.2019 21:10
Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°
Answers: 2
Mathematics, 21.06.2019 23:00
Analyze the diagram below and complete the instructions that follow. how to find tan
Answers: 2
Rooks are randomly placed on different squares of a chessboard. a rook is said to attack all of the...
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