2 Answered Questions for the topic Statistics Problem
Statistics Problem
10/18/15
times spent by students would be approximately normal with the mean = 40 minutes and the standard deviation = 6 minutes
about how long should be allotted for exam if the professor want almost all ( say 97.5%) of the class to finish?
mean =40 SD = 6
wants 97.5% to finish
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Statistics Problem
10/18/15
I AM COMPLETELY LOST
Assume that the significance level is α=0.01. Use the given information to find the P-value and the critical value(s).With H1 : p≠25, the test statistic is z= −1.74.
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