Demand for greensaber in july 2019 is normal distributed with mean 100, standard dev 20. Demand in Aug 2019 is normally distributed with mean 120, standard dev 25. Demand in both months have a correlation of +0.2 1) what isi the expected total demand? 2) What is the stndard deviation of total demand? 3) If there are 220 units of Greensaber at the start of July, and is unable to replenish its inventory until end of august 2019, what is the probability that it fully stocks out of GreenSaber by end of August 2019?

Q: Suppose ₁ and ₂ are true mean stopping distances at 50 mph for cars of a certain type equipped with…

A: Formula to be used: The formula to calculate the confidence interval for the difference between…

Q: When the Pearson Product-Moment correlation is equal to -0.68, there is:       A downwards linear…

A: We have to choose the correct option for:- When the Pearson Product-Moment correlation is equal to…

Q: Use the scatterplot of Vehicle Registrations below to answer the questions Vehicle Registrations in…

A: Given plot is number of vehicle Registration in millions Vs Year    and there a black color straight…

Q: The following is data on urea fertilizer production (tonnes) in 2011-2020 successively as follows:…

A: A moving average is a statistical technique that is generally used to get the idea of trends in the…

Q: Suppose the table below lists the price and consumption levels of food and clothing during 2015 and…

A: Suppose the table below lists the price and consumption levels of food and clothing during 2015 and…

Q: The Duff brewery changes the set of prizes, which are now monetary: X = {0, 10, 20}. There are three…

A: The Duff brewery changes the set of prizes, which are now monetary: X=   (0, 10, 20). There are…

Q: Why do phillips curves look different across different countries?

A: Reason-  As we know the Phillips curves is define as the inverse relationship between the level of…

Q: The following table shows the quarterly sales (RM'000) for Afeef Café for the past 3 years. Quarter…

A: The following data is given: Year   Quarters       1 2 3 4 2019 11 17 30  18…

Q: Suppose the linear relationship between traffic violations and auto insurance premium has SSR of…

A: given data  SSR = 2825 SST = 3150

Q: Finally , the researcher considers using regression analysis to establish a linear relationship…

A: a. In regression analysis the independent variable is used to predict the dependent variable.

Q: Obesity is an increasing problem in America amang all age groups. A recent study reported 1276…

A:

Q: An airline is charged by an airport based upon the total taxi-time that an airplane spends to take…

A: Given information: Taxi time, a at airport A is normally distributed with mean of 27 minutes and…

Q: Explain how would eBay and McDonald's diverge in their motion, and how do their choices impact…

A: Process strategy is based on the systematic study of flow activities and its process is understood…

Q: 31,

A: alfa = 0.2 beta = 0.1 gamma=0.1

Q: b) The following are the quarterly index numbers of whole sale prices: Year 1928 1929 1930 1931 1932…

A: y⏜ = -0.3929(x)+126.57∑y-y⏞ =0

Q: eadphone ( 6t whe gives the ae below tab

A: Given as, Y=10.2+1.6t

Q: Because a partial correlation considers the influence of a third variable, it is possible to have a…

A: From the above question Because a partial correlation considers the influence of a third variable,…

Q: If you are a high risk investor, and instead of diversifying you prefer to hold one stock to…

A: The correlation coefficient and coefficient of determination are related. Square of the correlation…

Q: In a manufacturing industry, the amounts which go into raw materials(scraps) are supposed to be…

A:

Q: Marriage Age 2010 The graph shows the ages of bothmen and women at first marriage (www.census.gov).…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 1. In the past, a chemical company produced 880 pounds of a certain type of plastic per day. Now,…

A:

Q: The pandemic has caused serious problems for the Pakistan Stock Exchange (PSX). The market has been…

A: Given: Population standard deviation σ = 2000 Sample size n = 15 Sample mean X = 46000 Confidence…

Q: Represent the following data by means of a histogram. Weekly Wages ( 00 ) : 10-15 15-20 20-25 25-30…

A: Let weekly wages on Y axis and number of workers on X axis.

Q: 9. (a) Explain the quickest method of finding the average price per kilo of wheat for 20 years when…

A:

Q: In any research, why is descrbing the variability important?

A: Variability serves as both a descriptive indicator of most inferential statistics and an important…

Q: Suppose that the return for a particular investment is normally distributed with a population mean…

A: Solution-: Given: μ=100,σ=15 We want to find what score must a person have to qualify for this…

Q: You have these 3 histograms:  Histogram of Residuals: X-axis: Residual values (deviation between…

A: Student's t-distribution: When a sample of size 'n' is selected from normal distribution, the…

Q: Define Dynamic effects and the distributed lag model?

A:

Q: Obesity is an increasing problem in America among all age groups. A recent study reported 1276…

A:

Q: 4. What is the standard deviation of demand during the lead time? If the standard deviation for the…

A: The standard deviation of demand during lead time can be defined as the product of standard…

Q: Suppose the time of renting a bicycle for a customer in a bicycle rental shop is normally…

A:

Q: When looking at your residual analysis and seeing all of the desirable graphs demonstrate a strong…

A: Regression is used to predict the dependent variable by using one or more independent variables.

Q: A manufacturer of calculator batrries claims that the mean length of life for its battry is 500…

A: