The avg lenght of time required to complete a collegeacheivment test was found t

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The avg lenght of time required to complete a collegeacheivment test was found to be equal 70 min with a standarddiviation of 12 min. when should the test be terminated if youwishe to allow sufficient time for 90% of the students to completethe test? (ASSUME THAT THE TIME REQUIRED TO COMPLETE THE TEST ISNORMALLY DISTRIBUTED) So..p=70       stardard diviation = 12        P(x=70) please help me.. what is a good way to remember how to do thiskind of problem? The avg lenght of time required to complete a collegeacheivment test was found to be equal 70 min with a standarddiviation of 12 min. when should the test be terminated if youwishe to allow sufficient time for 90% of the students to completethe test? (ASSUME THAT THE TIME REQUIRED TO COMPLETE THE TEST ISNORMALLY DISTRIBUTED) So..p=70       stardard diviation = 12        P(x=70) please help me.. what is a good way to remember how to do thiskind of problem?

Explanation / Answer

SOMEONE PLEASE HELP ME. I DONT UNDERSTAND....

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