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Cynthia has ordered 3 identical computers for the office. The probability this make and model of computer crashes before it is 2 years old is 0.08 and independent of each other. What is the probability that at the end of the two years, at least 2 of the 3 computers have NOT crashed? Round off each calculation to 3 decimals.
A. 0.647
B. 0.999
C. 0.779
D. 0.983
Out of 1000 randomly selected people at the DMV, about how many would be expected to have to wait i) between 26.4 and 32.8 minutes? ii) longer than 39.2 minutes.
a group of researchers studied the effect of global environmental change on grazing lands. their article reported the
What is the approximate distribution of the mean NOX emission level x for these cars? (b) What is the level L such that the probability that x is greater than L is only 0.01?
Provide an example of a situation from your personal or professional experience where an two-sample test of hypothesis of dependent samples would be useful in a decision-making process.
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
a recent survey reported that 38 of all students in grades 9 through 12 participate in team sports run by organizations
peas are generated from parents having the greenyellow pair of genes so there is a .75 probability that an individual
Create the box plot to represent data. Explain the distribution. Ensure to recognize the first and third quartiles and median.
A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year: Use the Empirical Rule to establish an interval which includes about 95 percent of the observations.
a certain brand of candies have a mean weight of .8592 g and a standard deviation of .052 based on a sample of a
Outline the difference between the t test for independent groups and the t test for matched groups. A researcher computed the F ratio for a four-group experiment.The computed F is 4.86. The degrees of freedom are 3 for the numerator and 16 for the ..
the undergraduate grade point average gpa for students admitted to the top graduate business schools was 3.37. assume
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