Mathematics, 09.04.2020 13:11 masontdavis
Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 750 hours. Find the probability that a randomly selected light bulb will last between 750 and 825 hours.
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Answers: 3
Mathematics, 21.06.2019 19:50
Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30
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Mathematics, 22.06.2019 00:00
Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?
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Mathematics, 22.06.2019 00:00
Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!
Answers: 1
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