Mathematics, 12.09.2019 05:30 nesa10
Aconsumer electronics company is comparing the brightness of two different types of led screens for use in its television sets. screen type a has mean brightness of 75 and standard deviation of 8, while screen type b has mean brightness of 70 and standard deviation of 12. a random sample size 36 is selected from screen type a where the sample size for screen type b is 25. find the approximate probability that x¯ a − x¯ b exceeds 4?
Answers: 1
Mathematics, 21.06.2019 13:00
Myron put $5000 in a 2-year cd playing 3% interest, compounded monthly. after 2 years, he withrew all his money. what was the amount of the withdrawal?
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Mathematics, 21.06.2019 13:50
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
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Mathematics, 21.06.2019 19:00
Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet
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Aconsumer electronics company is comparing the brightness of two different types of led screens for...
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