Mathematics, 03.08.2019 06:10 brmoen1392
Aquality analyst of a tennis racquet manufacturing plant investigates if the length of a junior's tennis racquet conforms to the standards. he randomly selects twenty racquets and obtains the following lengths: 21, 25, 23, 22, 24, 21, 25, 21, 23, 26, 21, 24, 22, 24, 23, 21, 21, 26, 23, 24 assume that lengths of tennis racquets are normally distributed. construct a 99.9% confidence interval for the mean length of all the junior's tennis racquets manufactured at this plant.
Answers: 2
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Mathematics, 22.06.2019 00:00
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Aquality analyst of a tennis racquet manufacturing plant investigates if the length of a junior's te...
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