A health insurance broker records the monthly extended health and dental insurancepremiums for 18 non-smoking white-collar clients between the ages of 31 and 40(measured in $):T-Distribution Table10846X -↓1226510599a. Calculate the sample mean and standard deviation.79101SAMSUNG132 14356139SUBMIT QUESTION15089150141SAVE PROGRESS411298SUBMITA S=to the nearest centRound to the nearest centb. Construct a 99% confidence interval for the mean monthly insurance premium for allnon-smoking white-collar clients between the ages of 31 and 40.EVERound to the nearest centSAMSUNGSUBMIT QUESTIONSAVE PROGRESSSUBMIT AS(1)

Solution: Given information: n= 18 Sample size First we find sample mean and standard deviation for…

Answered: A health insurance broker records the…

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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The following data represent the inventory figures for 55-gallon fish tanks at an aquarium. 55-Gallon Fish Tanks Inventory Amount January 1 Beginning Inventory 46 units @ $38.00 March 12 Purchase 70 units @ $36.50 July 19 Purchase 135 units @ $39.70 September 2 Purchase 65 units @ $41.75 Fish Tanks Available for Sale: Cost of Tanks Available for Sale: (a) How many fish tanks did the aquarium have available for sale? fish tanks (b) Calculate the total cost (in $) of the tanks available for sale. $ (c) If physical inventory on December 31 showed 88 tanks on hand, calculate their dollar value by using FIFO. $ (d) Calculate the value of the 88 tanks by using LIFO (in $). $ (e) Calculate the dollar value of the 88 tanks by using the average cost method (Round your answer to the nearest cent). $
Complete the table below: Weight (in kg) 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 Frequency 1 14 15 21 14 10 4 1 What is the frequency of the median class?
Referto the table below: Weight (in kg) 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 The value of N is Answer: — I Frequency 1 14 15 21 14 10 4 1
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The table below shows the share of income going to each quintile of the income distribution for Neverland in 1980 and 1990. Complete the table below finding the the cumulative share of income for 1980 and 1990 and answer the following: Share of income in Cumulative share of Share of income in Cumulative share of Quintiles 1980 income in 1980 1990 income in 1990 1st 7% 6.6.% 2nd 11.5% 11.5% 3rd 17% 16.3% 4th 24.8% 22.7% 5th 39.7% 42.9% a) Sketch the Perfect Equality line and the Lorenz curve for 1980 and for 1990. Don't forget to label your graph and your curves! b) According to the Lorenz curves that you draw in (a), which year had worse income inequality, 1980 or 1990? JUSTIFY your answer! NOTE: This is a file upload question. Work your answer in a piece of paper, take a picture and upload your file.
The manager of Hudson Auto Repair would like to get a better picture of the distribution of costs for new parts used in the engine tune-up jobs done in the garage. A sample of 50 customer invoices for tune-ups has been taken and the costs of parts, rounded to the nearest dollar, are listed below. 91 78 93 57 75 52 99 80 73 62 71 69 72 89 66 75 79 75 72 76 104 74 62 68 97 105 77 65 80 109 85 97 88 68 83 68 71 69 67 74 62 82 98 101 79 105 79 69 62 73 Develop a frequency distribution for these cost data. Use your own judgment to determine the number of classes and class width that provide a distribution that will be meaningful and helpful to the manager. a. Develop a stem-and-leaf display showing both the rank order and shape of the data set. (3) b. Develop a stretched stem-and-leaf display using two stems for each leading digit(s). (2) c. Which display is better at revealing the natural grouping and variation in the data? (1)
To what percentile does 93 belong to?

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A health insurance broker records the monthly extended health and dental insurance premiums for 18 non-smoking white-collar clients between the ages of 31 and 40 (measured in $): 108 46 T-Distribution Table 122 65 105 99 79 101 132 143 56 139 150 89 150 141 112 98