Mathematics, 24.06.2020 03:01 madivassallo
A company has developed a new type of light bulb, and wants to estimate its mean
lifetime. A simple random sample of 12 bulbs had a sample mean lifetime of 665
hours with a sample standard deviation of 59 hours. It is reasonable to believe that
the population is approximately normal. Find the lower bound of the 95% confidence
interval for the population mean lifetime of all bulbs manufactured by this new
process.
Round to the nearest integer. Write only a number as your answer. Do not write any
units.
Answers: 2
Mathematics, 21.06.2019 18:40, TheLuciferOG4558
Acircle has a circumference of 28.36 units what is the diameter of the circle
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Mathematics, 21.06.2019 19:00, Mariaisagon9050
Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude
Answers: 2
Mathematics, 21.06.2019 23:50, ranchgirljls
Find the interior angle of a regular polygon which has 6 sides
Answers: 1
A company has developed a new type of light bulb, and wants to estimate its mean
lifetime. A simple...
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