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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) =
suppose you were given the task of estimating the proportion of drivers in troy al who text while they drive. discuss
At a certain university, the average cost of books per student was $330 per student last semsester. In a sample of 50 students this semester, their average cost was $355 with a standard deviation of $85.
What is the range of selling prices? What is the standard deviation? About 95 per- cent of the selling prices are between what two values?
investigators developed two new vaccines to immunize mice against lyme disease and tested them under field conditions
Use of linear regression is a critical tool for a managers decision-making ability - Using a level of significance of .01, is there evidence that the out of state students may be receiving lower grades? Fully explain your answer.
a quality control test has five equally likely outcomes - a b c d and e.a what is the probability of c occurring?b what
a bridge hand thirteen cards is dealt from a standard 52-card deck. let a be the event that the hand contains 4 aces
Assuming that the data may be viewed as a random sample from a normal population, construct a 99% con?dence interval for the actual variance of the air pollution index for this city and interpret.
A recent survey reported in Business Week dealt with the salaries of CEOs at large corporations and whether company shareholders made money or lost money.
How can we use some of the measurement methods we've learned this term to make better decisions in business and in life? Sometimes it's hard for students to draw the linkages between topics examined in quantitatively-oriented courses to the "real ..
If the restaurant stocks 400 hamburgers and 150 chicken sandwiches for a given day, what is the probability that it will run out of hamburgers or chicken sandwiches (or both) that day? Assume that the demand for hamburgers and the demand for chick..
Critically discuss the assumptions, if any, regarding a Chi-square test? What are the assumptions to apply linear regression?
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