Question: Does delaying oral practice hinder learning a foreign language? Researchers randomly assigned 25 beginning students of Russian to begin speaking practice immediately and another 25

Does delaying oral practice hinder learning a foreign language? Researchers randomly assigned25beginning students of Russian to begin speaking practice immediately and another25to delay speaking for 4 weeks. At the end of the semester both groups took a standard test of comprehension of spoken Russian. Suppose that in the population of all beginning students, the test scores for early speaking vary according to theN(35,8) distribution and scores for delayed speaking have theN(31,6) distribution.

What is the probability that the experiment will find (misleadingly) that the mean score for delayed speaking is at least as large as that for early speaking? (Round your answer to four decimal places.)

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