Mathematics, 12.06.2020 20:57 keaton191

In an experiment to learn if substance M can help restore memory, the brains of 22 rats were treated to damage their memories. The rats were trained to run a maze. After a day, 11 rats were given M, and seven of them succeeded in the maze; only two of the 11 control rats were successful. The z test for "no difference" against "a higher proportion of the M group succeeds" has what values for the z-statistic and P-value

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In an experiment to learn if substance M can help restore memory, the brains of 22 rats were treated...