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Question: Three machines A, B, and C are used to produce the same part, and their outputs are collected in a single bin. Machine A produced 26% of the parts in the bin, machine B 38%, and machine C the rest. Of the parts produced by machine A, 8% are defective. Similarly, 5% of the parts from B and 4% from C are defective. A part is picked at random from the bin.
a. If the part is defective, what is the probability it was produced by machine A?
b. If the part is good, what is the probability it was produced by machine B?
A class of fourth-graders was asked to bring a pumpkin to school.- Verify that the sample mean, trimmed mean, and median are X‾ = 229.2, X‾t = 220.8, and M = 221.
Nielsen Monitor-Plus, a service of Nielsen Media Research, is one of the leaders in advertising information services in the United States.
question 1 a researcher wants to study the physical activity levels among adults. the mean weight of adult torontonians
Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat capacity of the metal?
suppose the joint pdf of lifetimes of a certain part and a spare is given byfx y e?xy 0 lt x lt ? 0 lt y lt ?and zero
What is the normal Bell Curve? How do z scores and standard deviation relate to the Bell Curve? How are IQ scores plotted on the Bell Curve?
A state education agency designs and administers high school proficiency exams. Historically, time to complete the exam was an average of 120 minutes.
The number of nonconforming springs in a batch,denoted as X, is a binomial random variable.
State the null and alternative hypotheses in terms of p.- Describe a type I error and a type II error in this context.- Which error is more serious for the developer? Why?
hw5 logistic regression1. nbspmarentette and el-masri 2011 used logistic regression to identify predictors of obtaining
Although Bob raised the price to $1.75, sales of quarter-pound burgers rose to 8,200. Explain why this does not represent a violation of the law of demand.
Complete a single histogram on all four of these test scored and analyze the results. a. What do these histograms tell you about the overall grades for each of these exams?
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