subject
Mathematics, 31.03.2021 03:50 gabby640

The working life of a lightbulb is normally distributed with mean 1.3 years and standard deviation 0.3 year. What is the probability that it will last at least a year?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Which statement best describes the expression 4y ÷ 9? (1 point) 9 divided by 4 times y 9 times y divided by 4 4 times y divided by 9 4 divided by 9 times y
Answers: 1
question
Mathematics, 21.06.2019 14:40
Multiplying an even number of negative numbers gives an answer that is choose from:
Answers: 3
question
Mathematics, 21.06.2019 16:00
Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related
Answers: 1
question
Mathematics, 21.06.2019 22:50
Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265
Answers: 2
You know the right answer?
The working life of a lightbulb is normally distributed with mean 1.3 years and standard deviation 0...
Questions
question
Mathematics, 28.05.2021 01:10
question
Mathematics, 28.05.2021 01:10
Questions on the website: 13722359