Mathematics, 10.02.2021 01:40, chloe9869
A fair coin is tossed 80 times in an experiment. If the coin is fair, what would be a reasonable number of times tails should appear, based on your knowledge of the theoretical probability of this event? (Show your work!)
a. 25 to 39 times
b. 33 to 47 times
c. 15 to 65 times
d. 42 to 58 times
Answers: 1
Mathematics, 21.06.2019 23:20, jessicasbss6840
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
Answers: 1
Mathematics, 22.06.2019 00:50, edith47
Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours
Answers: 3
A fair coin is tossed 80 times in an experiment. If the coin is fair, what would be a reasonable num...
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