Find the missing spaces in the charts below! Please!
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Physics, 21.06.2019 18:10
An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.
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Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Physics, 22.06.2019 23:40
Which type of energy is transferred by convection currents?
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Physics, 22.06.2019 23:40
Acorporation gives out its profits as dividends paid to whom?
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Mathematics, 24.06.2019 20:00
History, 24.06.2019 20:00
Social Studies, 24.06.2019 20:00
English, 24.06.2019 20:00
Mathematics, 24.06.2019 20:00