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A wide sense stationary process X(t) with autocorrelation function RX (τ ) = 100e-100|τ | is the input to an RC filter with impulse response
The filter output process has average power E[Y2(t)] = 100.
(a) Find the output autocorrelation RY (τ ).
(b) What is the value of RC?
12 mature citrus trees of one variety and 15 of another gave means and standard deviations of their heights as 13.8 and 12.9 ft (means), and 1.2 and 1.5 ft (standard deviations).
suppose the average math sat score for all students taking the exam this year is 480 with standard deviation 100.
a. Calculate a 95% confidence interval for the average cost of accessories on Mini Coopers. b. Determine the margin of error in estimating the average cost of accessories on Mini Coopers.
n the article a multifactorial intervention program reduces the duration of delirium length of hospitalization and
The sample average is $97, and the SD is $17. Assume that the repair cost has a normal curve. What is the null hypothesis?
A firm keeps account for 28 customers. 12 of these are defined as new customers and 14 are locally based. If just 3 new customers live locally, how many established customers do not live locally?
it has been observed that some persons who suffer acute heartburn again suffer acute heartburn within one year of the
A random sample of 56 fluorescent light bubs has a mean life of 645 hours with a standard deviation of 31 hours.
What sample size is needed to estimate with 95 persent confidence the mean intake of calcium within 20 units of the true mean if the intake is normal with a variance of 1900 units?
The annual income for 200 recently graduated business graduates is summarised in the frequency distribution which follows.
what is the relationship between sample size and the width of the confidence interval? please explain further as to
The rate of service calls per month was researched yielding the following results (no of service calls divided by the number of equipment): Do these data indicate that the program is effective?
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