Mathematics, 17.10.2019 10:20, michellelirett
The life expectancy of a typical lightbulb is normally distributed with a mean of 1,975 hours and a standard deviation of 25 hours. what is the probability that a lightbulb will last between 1,950 and 2,050 hours?
a) 0.84
b) 0.77
c) 0.82
d) 0.89
Answers: 3
Mathematics, 21.06.2019 15:30, adriana145
Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make
Answers: 2
Mathematics, 21.06.2019 19:50, gameranonymous266
Examine the two-step equation. ā 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality
Answers: 2
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