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Assume the random variable x is normally distributed with mean µ=85 and standard deviation s=55. Find the indicated probability. ?P(70<x<76?)
Professor wishes to determine whether prior statistical knowledge assists students in their performance on the final exam. What is the relationship between pretest scores and final exam scores after controlling for cumulative GPA. What SPSS test w..
How could the federal government at the time of the Gilded Age have reduced the economy's exposure to panics and recessions?
What are the independent (x) and dependent variables (y)? Develop a scatter diagram and a regression line for this data.
step 1 solve the following problems.use a program such as ms word to write your solutions to the following problems. be
a sample of size 100 has a sample standard deviation of 25. what is the standard error of the sample mean? give your
With the exception of the exercises at the end of "Modelling Linear Relationships with Randomness Present", "Estimation and Prediction" uses the data.
The probability of error in the transmission of a binary digit over a communication [2] channel is 1=103. Write an expression for the exact probability of more than 3 errors when transmitting a block of 103 bits. What is its approximate value? Ass..
a helical tension spring is made of 1.2 mm wire having a yield strengths of 1280 mpa tension and 740 mpa torsion. the
What is the correct decision - In testing if the diameter of a tree is significant, state the null and alternative hypothesis - Write down a second order linear model with interaction.
a random sample of n items is to be selected from a large lot and the number of defectives y is to be observed. what
Many studies have investigated methods of reducing anxiety and depression.- The numbers are the students' improvement scores after 10 weeks. Analyze the data and write a conclusion.
What sample size would be needed to estimate the proportion of male red > green color blindness if we wanted 96% confidence that the sample proportion is in error by no more than 0.03?
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