Mathematics, 12.04.2021 22:20 sierracupcake0220
A crayon manufacturer is comparing the effects of two kinds of yellow dye on the brittleness of crayons. Dye B is more expensive than dye A, but it is thought that it might produce a stronger crayon. Four crayons are tested with each kind of dye, and the impact strength (in joules) is measured for each. The results are as follows:
Dye A: 1.0 2.0 1.2 3.0
Dye B: 3.0 3.2 2.6 3.4
Required:
a. Can you conclude that the mean strength of crayons made with dye B is greater than that of crayons made with dye A?
b. Can you conclude that the mean strength of crayons made with dye B exceeds that of crayons made with dye A by more than 1 J?
Answers: 3
Mathematics, 21.06.2019 15:00, coopera1744
Answer this question! 30 points and brainliest! only if you know the answer.
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Mathematics, 21.06.2019 22:30, 24lfoster
Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.
Answers: 1
A crayon manufacturer is comparing the effects of two kinds of yellow dye on the brittleness of cray...
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