The distribution of the daily commute drives to work of a set of employees follows a normal distribution with a mean of35 minutes and a standard deviation of 5 minutes. About 68% of the income lies between what two amounts? a30-35 b. 30-40.25-45 d. 35-450 e. 31-39

Answered: The distribution of the daily commute…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Need help with this one in part D.
discuss the shape of the distribution of the variable WEIGHT.
2.5
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The problem below looks at forecasting methodologies to determine which forecasting model results in the most accurate forecasts. Accuracy is determined by the lowest mean absolute deviation. Emergency calls to the 911 system of York County for the past 24 weeks are shown below. Accurate forecasts are needed to determine the number of operators needed to staff the station. Week # of Calls 1 50 2 35 3 25 4 40 5 45 6 35 7 20 8 30 9 35 10 20 11 15 12 40 13 55 14 35 15 25 16 55 17 55 18 40 19 35 20 60 21 75 22 50 23 40 24 65 SIMPLE LINEAR REGRESSION Use all of the data, weeks 1 - 24, to calculate the regression equation for this data. Use the weeks (1-24) as the independent variable (x) and number of calls as the dependent variable (y). Once you have the equation, forecast weeks 4 through 24 (enter 4, 5, 6, etc. as the x…
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Calculate following?
9a. For binomially distributed data set, approximately what proportion would be below the mean and also within one standard deviation? 16.5%,25%,33%,50%,66%
A firm makes MP3 players. The research department at this firm found that the life of the MP3 players is normally distributed with a mean of 4900 hours and a standard deviation of 450 hours. How many playing hours should a warranty cover if the firm wants 7% of the MP3 players to be below this amount? A. 5566 B. 4234 C. 4900 D. 1.48

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The distribution of the daily commute drives to work of a set of employees follows a normal distribution with a mean of 35 minutes and a standard deviation of 5 minutes. About 68% of the income lies between what two amounts? a .30-35 b. 30-40.25-45 d. 35-450 e. 31-39