Mathematics, 30.10.2021 20:10 2022rickskyye
For full credit, you must show All your work and Explain All your answers! Point values given are those I will use If I choose to grade that problem
1. In Project 1 this Fall you studied Recording Times in minutes for Dr. Marion's Sample of 28 Recordings of Mahler's 9th Symphony, which are:
80 82 78 80 89 87 79 90 84 88 81 81 81 86 85 77 84 77 82 85 81 91 82 86 86 89 70 81
h. If µ = 85 and σ = 5, find the probabilities that the:
i. Mean Recording Time of 64 Recordings exceeds 84'30".
ii. Total Recording Time of 100 Recordings exceeds 6 days
I. Using σ = 5, how large a Sample would we need in order to estimate Mean Recording Times for Mahler's 9th Symphony to a:
i. 95% Error Margin of 2 minutes?
ii. 99.5% Error Margin of 48 seconds?
iii. Compare your answers and explain their difference.
Answers: 2
Mathematics, 21.06.2019 19:40
Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?
Answers: 3
For full credit, you must show All your work and Explain All your answers! Point values given are th...
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