Nearest integer and then summed
75 numbers are rounded off to the nearest integer and then summed. If the individual round-off error are uniformly distributed over (-.5, .5) what is the probability that the resultant sum differs from the exact sum by more than 5?
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Random samples for both airlines after a storm showed that 51 out of 200 flights for Airline A were delayed, while 60 out of 200 of Airline B's flights were delayed. What is the standard error for this hypothesis test?
For a small sample difference of means test where n1 = 20 and n2 = 20, and we can assume the population variances are equal, the degrees of freedom for the test statistic is:
Suppose that from the past experience a professor knows that the test score of a student taking his final examination is a random variable with mean 68 and standard deviation 9.5.
If the test statistic for a difference of means test has a p-value of .03, we could reject the Null Hypothesis at an alpha level of .01.
A skeptical paranormal researcher claims that the porportion of Americans that have seen a UFO, p, is less than 4 in every ten thousand. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject t
You just recently read somewhere that the mean elevation drop for ski trails at eastern ski centers is at least 450 feet. You believe that the elevation is lower than 450 feet. Write the null and alternative hypotheses that would be used to test t
A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type and the lifetimes are reported in the following table. Analyze using alpha=.01. Need a walkthrou
In a study, the data you collect is status of disease infection. In a study, the data you collect is favorite type of food.
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Evidence of Cultural Impact: The cultural impact of economic factors can be observed through specific practices and initiatives within the NSHA:
Mrs Robinson is unconscious. When performing eye care as part of hygiene, which of the following interventions should be performed by the nurse Selec
Problem: Discuss some ethical issues that limit access and quality of care.
Question: Which one of the following is NOT present in tetralogy of Fallot?
Problem: The charge nurse is observing a staff nurse complete an incident report after a client fell on their way to rest room.
Winslow's definition of Public Health from the 1920's marks a significant recognition of the principles of health promotion in modern history.
Point of use cleaning of used instruments MUST be performed immediately following the procedure in the following location