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, 21.06.2019 13:30
Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?
Answers: 1
Mathematics, 21.06.2019 14:50
Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8
Answers: 1
Mathematics, 21.06.2019 17:20
7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?
Answers: 1
Acompany installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 10...
Social Studies, 24.11.2019 08:31
Biology, 24.11.2019 08:31
Mathematics, 24.11.2019 08:31
Mathematics, 24.11.2019 08:31
English, 24.11.2019 08:31
Computers and Technology, 24.11.2019 08:31
History, 24.11.2019 08:31
Arts, 24.11.2019 08:31