Mathematics, 17.07.2019 20:30 harmonywilliams30
An article in the november 1983 consumer reports compared various types of batteries. the average lifetimes of duracell alkaline aa batteries and eveready energizer alkaline aa batteries were given as 4.1 hours and 4.5 hours, respectively. suppose these are the population average lifetimes. (a) let x be the sample average lifetime of 121 duracell and y be the sample average lifetime of 121 eveready energizer batteries. what is the mean value of x − y (i. e., where is the distribution of x − y centered)?
Answers: 3
Mathematics, 21.06.2019 22:00, alexisgonzales4752
Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).
Answers: 1
Mathematics, 21.06.2019 22:30, jadeochoa4466
Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?
Answers: 1
Mathematics, 22.06.2019 00:00, hdwoody2002
Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.
Answers: 1
An article in the november 1983 consumer reports compared various types of batteries. the average li...
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