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The respiratory rate per minute in newborns varies according to a distribution that is approximately Normal with mean 47 and standard deviation 5. Use this information to answer the following questions.
(a) Use the Empirical Rule: approximately 95% of all newborn respiratory rates per minute are between
_and _. Please use whole numbers.
(b) The probability that a randomly chosen newborn has a respiratory rate of 55 per minute or more is
. Please use 4 decimal places.
(c) The probability that a randomly chosen newborn has a respiratory rate per minute between 40 and 55 is approximately
At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that:
X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities.
Five homes were recently sold in Oxnard Acres. Four of the homes sold for $400,000 while the fifth home sold for $2.5 million. Which measure of central tendency best represents a typical home price in Oxnard Acres?
If you have a population that has a small sample, but does not meet all of the criteria for the nonparametric test how can you tell what test to use?
Derive the formula for the entropy of an ideal monoatomic gas using the microcanonical ensemble. This formula is known as the Sackur-Tetrode equation.
The time interval between services at the station follow exponential distribution and as such the mean time taken to serve a unit is 5 minutes. What is the expected average queue length?
at a large local hospital 20 teen volunteers worked a total of 172 hours with a standard deviation of 3.6. thirty
find the 95 confidence interval for the difference between two means based on this information about two samples.
checkout scanners - proportion problem. the federal trade commission ftc conducted a study in 1998 of checkout
infocomp systems lab is a research and development rampd company that develops computer systems and software primarily
1. many television viewers express doubts about the validity of certain commercials. in an attempt to answer their
a simple random sample of 50 adults is obtained and each persons red blood cell count is measured. the sample mean is
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