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The envelope of a narrow-band noise is sampled periodically, the samples being sufficiently far apart to assure independence. In this way n independent random variables X1, X2,..........., Xn are observed, each of which is Rayleigh distributed with parameter σ. Let Y = maximum (X1, X2,...............,Xn) be the largest value in the sample. Find the probability density function of Y.
To determine whether a metal lathe that produces machine bearing is properly adjusted, a random sample of 36 bearings is collected and the diameter of each is measured.
A driver and car may be represented by the simplified model shown in Figure P10.16 [17].The goal is to have the speed adjust to a step input with less than 10% overshoot and a settling time (with a 2% criterion) of 1 second. Select a proportional ..
If the test had been two-tail (i.e., 2000 versus ) instead of right-tail, would the p-value still be 0.012? If not, what would the p-value be? Explain.
How actually p value represents a distribution pattern whether it is normal or not? u explain the anderson-darling test regarding the normal graph.
Physiotherapy Suppose a new medicine to help patients suffering from arthritis was developed and tested. Patients voluntarily entered the study.
What percent of the SAT verbal scores are less than 675? If 1000 SAT verbal scores are randomly selected about how many would you expect to be greater than 575?
a. Calculate and interpret the sample correlation coefficient between PPG and MPG.
In hypothesis testing, the level of significance is? When would you use a t test and when would you use an f test ? You are interested in the assumption that adult students earn better grades than traditional students.
We wish to obtain a resonant peak Mpω = 3.0 dB for the closed-loop system. The peak occurs between 6 and 9 rad/s and is only 1.25 dB. Plot the Nichols chart for the range of frequency from 6 to 15 rad/s. Show that the system gain needs to be raise..
a researcher reported a correlation of 1.25 between an iq test and grades in epy 6214. which one of the following
The average monthly gasoline purchase for a family with 2 cars is 90 gallons. This statistic has a normal distribution with a standard deviation of 10 gallons. A family is chosen at random.
The mean number of passengers per cruise is 1,820 and the standard deviation is 120.
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