Mathematics, 26.02.2020 20:17 drinkinwater
My Notes A large manufacturing plant uses lightbulbs with lifetimes that are normally distributed with a mean of 1600 hours and a standard deviation of 70 hours. To minimize the number of bulbs that burn out during operating hours, all bulbs are replaced at once. How often should the bulbs be replaced so that no more than 1% burn out between replacement periods? (Round your answer to one decimal place.)
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Mathematics, 21.06.2019 17:00
Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles
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Mathematics, 21.06.2019 18:00
Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.
Answers: 2
Mathematics, 21.06.2019 21:00
Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?
Answers: 1
Mathematics, 22.06.2019 01:30
Jacob is graphing the line represented by the equation −6x−5y=12.−6x−5y=12. he first plots the x-x- and y-interceptsy-intercepts as follows. which statement is correct regarding the intercepts on the graph?
Answers: 1
My Notes A large manufacturing plant uses lightbulbs with lifetimes that are normally distributed wi...
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