Mathematics, 12.08.2019 17:20 pimuang50
1) a light bulb producing company states that its lights will last an average of 1200 hours with a standard deviation of 200 hours. a sample of 100 light bulbs from the company were tested and the researcher found that the average life of each light bulb was 1050 hours. at a 95% confidence level, determine whether these light bulbs are in compliance with the company's claim.
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Mathematics, 21.06.2019 19:00
45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5
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Mathematics, 22.06.2019 02:00
If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.
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Mathematics, 22.06.2019 02:30
Joyce deposited $5000 in an account with an annual interest rate of 6%, compounded annually. how much money will be in the account 10 years later
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1) a light bulb producing company states that its lights will last an average of 1200 hours with a s...
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