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Transmission delays in wireless technology. Resource reservation protocol (RSVP) was originally designed to establish signaling links for stationary networks.
In Mobile Networks and Applications (December 2003), RSVP was applied to mobile wireless technology (e.g., a PC notebook with wireless LAN card for Internet access). A simulation study revealed that the transmission delay (measured in milliseconds) of an RSVP linked wireless device has an approximate normal distribution with mean μ = 48.5 milliseconds and σ = 8.5 milliseconds.
(a) What is the probability that the transmission delay is less than 57 milliseconds?
(b) What is the probability that the transmission delay is between 40 and 60 milliseconds?
Which test do we use to see if the difference in our sample is statistically significant? Why? Should it be one or two-tailed?
Le Bras (1974) has given the following (artificial) data from neuropsychology concerning certain functions which are hypothetically performed in specific areas of the brain's right hemisphere:
The following table gives the number of commercial airline accidents and the total number of resulting fatalities in the United States in the years from 1985 to 2006. Represent the number of yearly airline accidents in a frequency table.
Data is distribution of the most popular colors for 2005 model luxury cars made in North America. Design the pie chart and bar graph for data.
starting on day 1 you buy one lottery ticket each day. each ticket is a winner with probability 0.1. find the pmf of k
Given that the average monthly amount charged is uniformly distributed, what percent of monthly charges are between $100 and $1100?
The Speedy Oil Change Company advertised a 15-minute wait for an oil change. A sample of 23 oil changes showed a mean time of 16.5 minutes and a standard deviation of 4.3 minutes.
Scores on the SAT verbal test are ND with a mean of 505 and std. dev. of 110. (a) What percent of scores fall between 520 and 600? (b) What percent of scores fall between 450 and 550?
Find two values of the standard normal random variable, z and -z, such that the two corresponding tail areas of the distribution add to 0.01.
consider the following experiment a ball is drawn without replacement from an urn containing two red and three blue
The population standard deviation for both groups is 6. At α = 0.01, is there a difference in the cholesterol levels between the two groups? Find the 99% confidence interval for the difference of the two means.
Compute the residuals using the results from problem 1. Verify that if you square and sum the residuals, you get 47, rounding to the nearest integer.
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