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Suppose a survey is taken of two groups of people where each person is asked a yes/no question and the proportion of people who answer yes is calculated for each group. Which of the following is true about a hypothesis test of the difference in the two proportions?
a) The t-distribution should be used if the standard deviations are unknown.
b) The standard deviation must be assumed equal.
c) Normality can be assumed if the sample size for each population is at least 30.
d) Normality can be assumed if, in each group, at least 5 people say yes, and at 5 people say no.
If it is estimated that there are 90 million households in the United States and that the lower standard can save 50 lives per year valued at $4,000,000 per life, what is the benefi t/cost ratio of the regulation?
Suppose a task currently has a laxity of t. By how long may the scheduler delay starting this task and still meet its deadline?
Because Toyotas are superior to Fords or Chevys it should also implement the supplied Airplane interface. Give the methods something to do. I would suggest a println method since you can then see that the method actually ran.
What are some presentation-tools options available in the market place? Pick 3 and research them. What are the advantages and disadvantages
Would you rather receive $15,000 today or $30,000 20 years from now assuming a growth rate of 4%? Explain your thinking regarding this decision.
The following variable has already been defined: int countryPopulation = 1344130000; Using that variable (do not type the large number) along with text, finish the print statement to print the following: China's population was 1344130000 in 2011.
What is the relationship between the interest rate and the future value? Provide an example.
Kevin awakens one morning in Raleigh and his phone is dead. His cover was blown. What mistake leads to his identity being compromised?
When accessing the remote Linux machine
Provide an explanation of the differences between the If Then Else IF clause and a Nested If Block?
what happens to a person's heart rate as that person increase his or her activity level?
The CIA triad (confidentiality, integrity, and availability) offers three (3) security tenets that allow data owners the framework to secure data.
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