Mathematics, 04.12.2019 02:31 bandnerd1
Acompany installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. find the percentage of bulbs that can be expected to last the period of time. less than 690 hours
a. 97.06%
b. 47.14%
c. 97.1%
d. 97.2%
Answers: 1
Mathematics, 20.06.2019 18:04, umezinwachukwuebuka1
Two number cubes are rolled- one blue and one yellow. part a) find the probability that the blue cube is less than 3 and the product is 8. part b) is this event independent or dependent? explain why. your
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What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?
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The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse
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