Mathematics, 11.04.2021 05:00 ibahadurali786oz4gxs
A local police chief claims that about 78% of all drug related arrests are ever prosecuted. A sample of 900 arrests shows that 80 % of the arrests were prosecuted. Is there sufficient evidence at the 0.10 level to refute the chief's claim? State the null and alternative hypotheses for the above scenario.
Answers: 2
Mathematics, 21.06.2019 19:30, allicat133
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
Mathematics, 21.06.2019 23:00, stodd9503
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
Mathematics, 21.06.2019 23:40, alyxkellar06
From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.
Answers: 1
A local police chief claims that about 78% of all drug related arrests are ever prosecuted. A sample...
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