subject
Mathematics, 05.05.2020 18:21 kennakenken3

The lifetime of a certain type of battery has a mean value 20 hours and standard deviation 3 hours. A bulk package of these batteries contains 40 randomly selected batteries. The distribution of average life time i g

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Triangle xyz has vertices x(1,3), y(0,0)
Answers: 1
question
Mathematics, 21.06.2019 18:50
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong
Answers: 1
question
Mathematics, 22.06.2019 02:00
Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?
Answers: 3
You know the right answer?
The lifetime of a certain type of battery has a mean value 20 hours and standard deviation 3 hours....
Questions
Questions on the website: 13722367