Mathematics, 19.11.2020 19:20 19alexanderetha
Lightbulbs of a certain type are advertised as having an average lifetime of 750 hours. The price of these bulbs is very favorable, so a potential customer has decided to go ahead with a purchase arrangement unless it can be conclusively demonstrated that the true average lifetime is smaller than what is advertised. A random sample of 45 bulbs was selected, the lifetime of each bulb determined, and the appropriate hypotheses were tested using MINITAB, resulting in the accompanying output.
Answers: 2
Mathematics, 21.06.2019 19:30
What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.
Answers: 3
Mathematics, 21.06.2019 20:00
Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.
Answers: 1
Lightbulbs of a certain type are advertised as having an average lifetime of 750 hours. The price of...
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