Mathematics, 20.04.2021 17:40 kierraivey
Five good light bulbs and two defective ones were mixed up unknowingly. To identify the defective ones for disposal, the bulbs are tested one one by one. (a) If both defective ones are identified in the testing of the second one, what is the probability of such a ‘lucky’ break? (b) If three bulbs had to be tested to get the two defective ones, what is the probability of such an event.
Answers: 1
Mathematics, 21.06.2019 14:30
Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.
Answers: 1
Mathematics, 21.06.2019 15:30
Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d
Answers: 1
Mathematics, 21.06.2019 18:30
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Five good light bulbs and two defective ones were mixed up unknowingly. To identify the defective on...
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