subject
Mathematics, 11.12.2019 18:31 BABA761

The mean life expectancy of a certain type of light bulb is 895 hours with a standard deviation of
18 hours
what is the approximate standard deviation of the sampling distribution of the mean for all
samples with n = 40?
a.2.85 h
b.2.22 h
c.0.60 h
d.0.45 h

ansver
Answers: 1
Show answers

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Drag each scenario to show whether the final result will be greater than the original value, less than the original value, or the same as the original value. 1. a 25% decrease followed by a 50% increase 2. a 20% decrease followed by a 25% increase
Answers: 3
Answer
question
Mathematics, 21.06.2019 18:30
Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)
Answers: 1
Answer
question
Mathematics, 21.06.2019 19:50
Math it's appreciated. (picture provided)
Answers: 1
Answer
question
Mathematics, 21.06.2019 20:00
Bring the fraction a/a-4 to a denominator of 16-a^2
Answers: 1
Answer
You know the right answer?
The mean life expectancy of a certain type of light bulb is 895 hours with a standard deviation of
Questions
question
History, 28.11.2019 03:31
The development of representative institutions in the colonies during the 17th and 18th centuries was aided by a movement called a popularization of...
question
Mathematics, 28.11.2019 03:31
The equation below represents the trend line of a scatter plot showing the hours spent studying versus science test scores. y - 6.5x+424
question
Mathematics, 28.11.2019 03:31
The double number line shows that a water park allows 18 people to go down their giant water slide in 3 minutes....
question
History, 28.11.2019 03:31
The doctrine the maintains that the state should not intervene in economics is called...
question
Engineering, 28.11.2019 03:31
The evaporator of a refrigeration cycle is basically a heat exchanger in which a refrigerant is evaporated by absorbing heat from a fluid. refrigerant...
question
Health, 28.11.2019 03:31
The drugs that block the reabsorption of neurotransmitters in the synapse during neural transmission are...
question
Mathematics, 28.11.2019 03:31
The dimensions x and y of an object are related to its volume v by the formula upper v equals 12 x squared y. a. how is startfraction dv over dt endfr...
question
History, 28.11.2019 03:31
The experience of enslaved people in the southern british colonies as described in the excerpt was similar to the experience of enslaved people in the...
question
Physics, 28.11.2019 03:31
The current through a stationary loop in a constant magnetic field: increases to a maximumincreases, then decreases to zeroremains z...
question
Business, 28.11.2019 03:31
The equity sections from atticus group’s 2016 and 2017 year-end balance sheets follow. stockholders’ equity (december 31, 2016) common stock—$5 par va...
question
Chemistry, 28.11.2019 03:31
The first step in the metabolism of ethanol is dehydrogenation by reaction with nicotinamide-adenine dinucleotide (nad): c2h5oh+nad+→c2h4o+nadhwhat i...
question
Mathematics, 28.11.2019 03:31
The force exerted by an electric charge at the origin on a charged particle at a point (x, y, z) with position vector r = x, y, z is f(r) = kr/|r|3 wh...
question
Mathematics, 28.11.2019 03:31
The formula for the volume of a cone is given below. find the rate of change of the volume for each of the radii given below if dr/dt is 9 inches per...
question
Physics, 28.11.2019 03:31
The dominant form of drag experienced by vehicles (bikes, cars, planes, etc.) at operating speeds is called form drag. it increases quadratically with...
question
Computers and Technology, 28.11.2019 03:31
Create a custom python module named tempconvert. py. this module must contain two functions: one that converts from celsius to fahrenheit and one tha...
question
Business, 28.11.2019 03:31
Crane company reports the following information (in millions) during a recent year: net sales, $10,700.0; net earnings, $365.0; total assets, endin...
question
Physics, 28.11.2019 03:31
The electric field must be zero inside a conductor in electrostatic equilibrium, but not inside an insulator. it turns out thatwe can still apply gaus...
question
Computers and Technology, 28.11.2019 03:31
Convert the following problem into a code fragment using an efficient nested if-else statement assume you a working a weather mapping coloring systems...
question
Computers and Technology, 28.11.2019 03:31
Create a java program that first asks the user to input the number of students in the class. then the program reads the inputs of all the students. in...
question
Business, 28.11.2019 03:31
Cullumber inc has the following information related to an item in its ending inventory. acer top has a cost of $31, a replacement cost of $30, a net r...
More questions: Mathematics Another questions
Questions on the website: 13722367
See results (0)