Mathematics, 27.04.2021 15:50, shadowmatz
A manufacturer must test that his bolts are 4.00 cm long when they come off the assembly line. He must recalibrate his machines if the bolts are too long or too short. After sampling 196 randomly selected bolts off the assembly line, he calculates the sample mean to be 4.14 cm. He knows that the population standard deviation is 0.83 cm. Assuming a level of significance of 0.05, is there sufficient evidence to show that the manufacturer needs to recalibrate the machines? State the null and alternative hypotheses for the test.
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Mathematics, 21.06.2019 13:30, dukkchild666
Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.
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Mathematics, 21.06.2019 23:00, Hannahrose911
Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u. s. dollars for every 100 euros. b. gabriella averages 100 u. s. dollars for every 25 euros. c. gabriella can exchange 75 u. s. dollars for 100 euros. d. gabriella can exchange 100 u. s. dollars for 75 euros.
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Mathematics, 21.06.2019 23:00, hjeffrey168
Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
Answers: 2
A manufacturer must test that his bolts are 4.00 cm long when they come off the assembly line. He mu...
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