Table 13-2A new young mother has opened a cloth diaper service. She is interested insimulating the number of diapers required for a one-year-old. She hopes to use thisdata to show the cost effectiveness of cloth diapers. The table below shows thenumber of diapers demanded daily and the probabilities associated with each level ofdemand.Interval ofDaily DemandProbabilityRandom Numbers50.3001-3060.5031-8070.0581-8580.1586-00According to Table 13-2, what is the cumulative probability that demand is less thanor equal to 7?0.85O 0.95O 0.800.15

The table related to the daily demand for diapers with corresponding probabilities is given.

Answered: A new young mother has opened a cloth…

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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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 u = 9.3 mg/L with 95% of the data ranging from 6.7 mg/L to 11.9 mg/L. Let x be a random variable that represents oxygen demand in this wetland environment. Assume x has a probability distribution that is approximately normal. In USE SALT (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 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…
Probability amd stalistics classwork 1. In a recent year, Consumer Reports rated many tablet computers for overall performance and quality. Based on several variables, they gave cach tablet an overall rating, where higher scores indicate better ratings. The overall ratings of the tablets produced by Apple and Samsung are given below: 87 87 87 87 86 86 86 86 84 84 Apple 84 84 83 83 83 83 81 79 76 73 88 87 87 86 86 86 86 86 84 84 83 83 Samsung 77 76 76 75 75 75 75 75 74 71 62 Parallel boxplots of the data and numerical summarics arc shown below. Min Median Маx IQR 83.45 3.762 73 83 84 86 87 3 Apple Samsung 79.87 6.74 62 75 83 86 88 11 Samsung Overal Rating Compare the overall rating distributions for Apple and Samsung. Manufacturer
Let X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.
The management of Brinkley Corporation is interested in using simulation to estimate the profit per unit for a new product. The selling price for the product will be $45 per unit. Probability distributions for the purchase cost, the labor cost, and the transportation cost are estimated as follows: Procurement Cost ($) Probability Labor Cost ($) Probability Transportation Cost ($) Probability 10 0.25 20 0.10 3 0.75 11 0.45 22 0.25 5 0.25 12 0.30 24 0.35 25 0.30 Compute profit per unit for the base-case, worst-case, and best-case scenarios. Construct a simulation model to estimate the mean profit per unit. Why is the simulation approach to risk analysis preferable to generating a variety of what-if scenarios? Management believes the project may not be sustainable if the profit per unit is less than $5. Use simulation to estimate the probability the profit per unit will be less than $5.
An automotive center keeps track of customer complaints received each week. The probability distributions of complaints are shown below. The random variable, xi, represents the number of complaints, and p(xi) is the probability of receiving xi complaints for two of the stores. The cost impact of each complaint is believed to be y=$10x3 where x is the number of complaints. Store A xi 0 1 2 3 4 5 6 p(xi) 0.10 0.15 0.20 0.25 0.15 0.10 0.05 Store B xi 0 1 2 3 4 5 6 p(xi) 0.10 0.15 0.25 0.22 0.13 0.08 0.07 Compute the simulated averages and standard deviations of the number of complaints per week for each store and the total for both stores over the 52 weeks. Compare to the theoretical mean and standard deviations.
Below is a partially complete probability model. Outcome 0.5 1 1.5 4 Probability 0.35 0.2 0.15 ? Enter the probability for the final outcome. Find the expected value of the probability model.
PRACTICE ANOTHER Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero digit disproportionately often. In fact, research has shown that if you randomly draw a number from a very large data file, the probability of getting a number with "1" as the leading digit is about 0.301. Now suppose you are the auditor for a very large corporation. The revenue file contains millions of numbers in a large computer data bank. You draw a random sample of n = 225 numbers from this file and r = 85 have a first nonzero digit of 1. Let p represent the population proportion of all numbers in the computer file that have a leading digit of 1. What is the value of the sample test statistic? (Round your answer to two decimal places.) ANSWER IS NOT 2.57 Find the P-value of the test statistic. (Round your answer to four decimal places.) ANSWER IS NOT 0.0102
BUS-173 (Applied Statistics)
On average, you receive 2.6 pieces of junk mail a day. Assume that the number of pieces of junk mail you receive each day follows the Poisson distribution What is the probability of receiving more than three pieces of junk mail today? O a. 0.2939 O b. 0.2639 O c. 0.2693 d. 0.2369
Suppose that the price of a share of a particular stock listed on the New York Stock Exchange is currently $39. The following probability distribution shows how the price per share is expected to change over a three-month period: Stock Price Change Probability -2 0.05 -2 0.10 0 0.25 1 0.20 2 0.20 3 0.10 4 0.10 a. Construct a spreadsheet simulation model that computes the value of the stock price in 3 months by simulating the price change 100 times. b. For a current price of $39 per share, what is the average stock price per share 3 months from now based on your simulation?
BUS-173 (Applied Statistics)

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