Mind Tap - Cengage Learning x2↑CENGAGE MINDTAPChapter 6 Homework8.9.Questions Exercise 06.31 (ExponentialProbability Distribution)OOng.ceng...10. ODIIFOCengage Learning□ O Pausedx +0 Icon KeyQ Search this courseIntensive care units (ICUS) generally treat the sickest patientsin a hospital. ICUS are often the most expensive department ina hospital because of the specialized equipment and extensivetraining required to be an ICU doctor or nurse. Therefore, it isimportant to use ICUS as efficiently as possible in a hospital.According to a 2017 large-scale study of elderly ICU patientsthe average length of stay in the ICU is 3.4 days (Critical CareMedicine journal article). Assume that this length of stay in theICU has an exponential distribution. Do not round intermediatecalculations.F9New Chrome availablea. What is the probability that the length of stay in the ICU isone day or less (to 4 decimals)?Question 10 of 10b. What is the probability that the length of stay in the ICU isbetween two and three days (to 4 decimals)?Exercise 06.31 (Exponential ProbabilityF10Check My Workc. What is the probability that the length of stay in the ICU ismore than five days (to 4 decimals)?Check My Work4 Question 10 of 10F1111.X4)F12?A-ZOffice

The provided information is as follows:The average length of stay in the ICU is given as 3.4 days.It…

Answered: Questions Exercise 06.31 (Exponential…

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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A education.wiley.com E NWP Assessment Player UI Application ER P -/ 1 Question 14 of 25 10 12 14 16 p(x) 0.20 0.30 0.25 0.25 (a) Use the probability function given in the table to calculate the mean of the random variable. Enter the exact answer. eTextbook and Media Assistance Used Hint Assistance Used (b) Use the probability function given in the table to calculate the standard deviation of the random variable. Round your answer to three decimal places. eTextbook and Media Assistance Used Hint Assistance Used MacBook Air 80 888 F3 F4 F5 DD F7 F8 F9 F10 %23 & 3 4 E II * CO
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WFC Average St. Dev. Min 0.65% 10.26% -28.99% Мах 27.51% 25. Based on the table above, what is the probability of losing -7% or more for WFC? A. 0.07 B. 0.14 C. 0,23 D. 0.29 %3D E. 0.31 26. If you have $200,000 invested in WFC, what is the dollar value of VaR of losing -7% or more? A. $14,000 B. $28,000 C. $46,000 D. $58,000 E. $62,000 27. Based on the table above, there is 30% chance that your losses for WFC will be greater than A. -0,30% B. 2.15% C. 4.73% D. 7% E. -14% 28. Based on the table above, there is 30% chance that your dollar losses for WFC will be greater than if you have $200,000 invested in ti? A. -S600 B. $4,300 C. -$9,460 D. -$14,000 E. S28,000
*Question Six* The management of a supermarket wants to adopt a new promotional policy of giving free gift to every customer who spends more than a certain amount per visit at this supermarket. The expectation of the management is that after this promotional policy is advertised, the expenditure for all customers at this supermarket will be normally distributed with mean 400 £ and a variance of 900 £2. What is the probability that the expenditure of the first customer exceeds the expenditure of the second customer by at least 20 £?
Q.No.1. Read the following passage and observe the word length of each word. Make a frequency distribution of word length. "Statistics play an intrinsic role in computer science and vice versa. Statistics is used for data mining, speech recognition, vision and image analysis, data compression, artificial intelligence, and network and traffic modeling. A statistical background is essential for understanding algorithms and statistical properties that form the backbone of computer science. Typically, statistical approach to models tends to involve stochastic (random) models with prior knowledge of the data. The computer science approach, on the other hand, leans more to algorithmic models without prior knowledge of the data. Ultimately, these come together in attempts to solve problems."
Oxygen demand is a term biologists use to describe the oxygen needed by fish and other aquatic organisms for survival. The Environmental Protection Agency conducted a study of a wetland area. In this wetland environment, the mean oxygen demand was μ = 9.2 mg/L with 95% of the data ranging from 5.4 mg/L to 13.0 mg/L. Let x be a random variable that represents oxygen demand in this wetland environment. Assume xhas a probability distribution that is approximately normal. (a) Use the 95% data range to estimate the standard deviation for oxygen demand. (b) An oxygen demand below 8 indicates that some organisms in the wetland environment may be dying. What is the probability that the oxygen demand will fall below 8 mg/L?(Round your answer to four decimal places.) (c) A high oxygen demand can also indicate trouble. An oxygen demand above 12 may indicate an overabundance of organisms that endanger some types of plant life. What is the probability that the oxygen demand will exceed 12…
Invoice totals for insurance are determined by actuaries who study the likelihood of the company paying a claim on a particular policy. So why do different insurance companies charge different amounts for the same coverage? The policy total is determined by the population of former and current policy holders for each company. A different pool of policy holders produces different results. However, the commonalities are often similar. The law of large numbers gives an insurance company a fairly reliable indication of what each insurance policy will cost the company, on average. Some policy holders will go for years without making a claim. Other policy holders will cut into the bottom line profit with costly claims which are not always recouped as policy holders sometimes change insurance providers. After natural disasters, a large volume of claims are filed which also must be planned for when setting policy rates. Although natural disasters and large claims are not typically common, the…
Question content area Part 1 As the supervisor in charge of shipping and receiving, you need to determine the average outgoing quality in a plant where the known incoming lots from your assembly line have an average defective rate of 4.0%. Your plan is to sample 80 units of every 1,000 in a lot. The number of defects in a sample is not to exceed 3. Such a plan provides you with a probability of acceptance of each lot of 0.79 (79%). Part 2 The average outgoing quality for the plant is = enter your response here% (enter your response as a percentage rounded to two decimal places).
A report on Americans' opinions about long-term investments included data from a poll of 1,010 adults. The responses to the question "What do you think is the best long-term investment?" are summarized in the given relative frequency distribution. Response Real Estate Stocks & Mutual Funds Gold Savings Bonds Other Relative Frequency 0.30 0.25 0.20 0.15 0.10 Relative Frequency 0.05 0.00 0.32 0.21 0.19 (a) Use this information to construct a bar chart for the response data. CHOICE A 0.17 0.08 0.03 Funds Best Long-Term Investment CHOICE B (b) Write a few sentences on how people responded to the question posed. 0.20 0.15 0.15 ko. Lul M. ha. 0.10 0.10 0.05 0.05 Real Stocks & Gold Savings Boads Other Real Stocks & Gold Savings Boads Other Real Stocks & Gold Savings Bonds Other Real Stocks & Gold Savings Boads Other Estate Mutual Estate Mutual Estate Mutual Estate Mutual Funds Funds Best Long-Term Investment Best Long-Term Investment O 0.30 0.25 0.00 Ⓒ CHOICE C % of respondents answered that…
It’s 4 part
Which of the following is the name for the statistical hypothesis that describes an outcome of some change? Type I error Null hypothesis Alternative hypothesis Type II error
Which of the following is the name for the statistical hypothesis that describes an outcome of some change? Null hypothesis Alternative hypothesis Type I error Type II error

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