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Accordiag to a study; it tekes an atrage of 330 minutes for tempejers to preparc, cops; and
electronice dily file no income tax return. The dirtnbetion of times follons the normal distribution
and the standerd deviation is 80 minutes. A reedom sample of 40 tarpesers Q2) is picked. 2. What
is the standed crroc of the meas in this cxample? b. What is the tiecthood the sample mean is
greater than 320 minutes? c. Whet is the likelibood the semple mean is betwecn 320 and 350
minutes?

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Accordiag to a study it tekes an atrage of 330 minutes for .pdf

  • 1. Accordiag to a study; it tekes an atrage of 330 minutes for tempejers to preparc, cops; and electronice dily file no income tax return. The dirtnbetion of times follons the normal distribution and the standerd deviation is 80 minutes. A reedom sample of 40 tarpesers Q2) is picked. 2. What is the standed crroc of the meas in this cxample? b. What is the tiecthood the sample mean is greater than 320 minutes? c. Whet is the likelibood the semple mean is betwecn 320 and 350 minutes?