You are given:(i)Losses follow an exponential distribution with mean 0.(ii)A random sample of losses is distributed as follows:Loss RangeNumber of Losses(0 – 100]32(100 – 200]21(200 – 400]27(400 – 750]16(750 – 1000]2(1000 – 1500]Total100Estimate 0 by matching at the 80™ percentile.(A)249(В)253(C)257(D)260(E)263

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Answered: You are given: (i) Losses follow an…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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1 b) For any data set, approximately 95% of the observations fall in the interval (T − 2s, T+2s). True False
Time left 1: In process industry during a daily production run, a total of five (05) samples are collected with four (04) observations within each sample. The sample means (X-bar) are; 14.09, 13.94,16.86, 20.00, and 16.64 respectively. The corresponding ranges are; 9.90, 7.73,4.41,7.56, and 3.49 respectively. The lower and upper control limits of the x-bar chart are respectively O a. 11.47, 21.14 O b. None is correct О с. 11.47, 16.55 O d. 11.44, 20.66 Ое. 11.29, 20.65
true or false: If a 90% CI for the difference between two means is calculated to be [ 6.2, 9.6] then in words this is interpreted as the 90% of the time the true population difference in means will be between 6.2 and 9.6
True or False? 1/n∑(Xi − X)^2 is an asymptotically unbiased estimator for the variance of X.
Cardiovascular Disease Suppose the incidence rate of myocardial infarction (MI) was 5 per 1000 among 45- to 54-year-old men in 2000. To look at changes in incidence over time, 5000 men in this age group were followed for 1 year starting in 2010. Fifteen new cases of MI were found. 7.14 Of the 15 new MI cases in the preceding study, 5 died within 24 hours. Test whether the 24-hour case- fatality rate changed from 2000 to 2010.
A population of N=15 has a mean =8 one score in the population is changed from X=20 to X-5.What is the value for thr new population mean?
52. Multiple Choice If the calorie contents of robin eggs are normally distributed with a mean of 25 and a standard devia- tion of 1.2, then approximately 95% of all robin eggs should In have a calorie content in the interval ex (A) [21.4, 28.6]. (B) [22, 28]. (C) [22.6, 27.4]. (D) [23, 27]. (E) [23.8, 26.2].
The per capita energy consumption level (in kilowatt-hours) in a certain country for a recent year can be approximated by a normal distribution, as shown in the figure. H=2267 kWh VE o=574.7 kWh 2267 Kilowatt-hours 267 X 4267 (a) What consumption level represents the 6th percentile? (b) What consumption level represents the 17th percentile? (c) What consumption level represents the third quartile?
Q8. (a) Ca!culate 3rd quartile, 1“ decile and 29th percentile from the following data. Marks Number of Students 40-50 50-60 60-70 70-80 80-90 | 90-100 6 11 19 17 13 4

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