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Consider the population of all 1-gallon cans of dusty rose paint manufactured by a particular paint company. Suppose that a normal distribution with mean μ=6ml and standard deviationσ= 0.2 ml is a reasonable model for the distribution of the variable x= amount of red dye in the paint mixture. Use the normal distribution model to calculate the following probabilities. (Round all answers to four decimal places.)(a)P(x>6) =
(b)P(x<6.2)=
(c)P(x≤6.2) =
(d)P(5.8<x<6.2) =
(e)P(x>5.5) =
(f)P(x>5) =
"A major retail chain uses survey data to estimate the mean age of customers. A 95% confidence interval for the mean age of all its customers is found to be (21.7, 46.5) using a sample size of 135"
if np is greater than or equal to 15 and n1-p is greater than or equal to 15 what is the approximate shape of the
Calculate the mean, median, mode, variance, standard deviation and skewness. Construct the 95% confidence interval.
Fixed costs of $9,200 per month and variable costs of 70 cents per unit produced. Each item is sold to retailers at a price that averages 90 cents.
you wish to conduct an anova one wayomnibus in your capstone project. in order to insure you have enough power to
q1. suppose that we will randomly select a sample of 64 measurements from a population having a mean equal to 20 and a
According to the Scranton Edison Company, utility-plant investment per employee was approximately $453,300; $492,400; $498,900; $531,900; $553,900;
The article "Modeling Sediment and Water Column Interactions for Hydrophobic Pollutants"(Water Research [1984]: 1169-1174) suggests the uni- form distribution on the interval from 7.5 to 20 as a model for x = depth (in centimeters) of the bioturbatio..
as a statistician you are asked to give advice on designing a customer appreciation event for the bookstore. the
the cost of a college education has increased at a much faster rate than costs in general over the past twenty years.
What is the city mileage standard deviation for this SUV model?
Critically discuss the probability that more than 175 cable households rate cable companies as good or excellent in quality transmissions?
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