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An analysis of 1,000 cellular phone calls made from company phones at the offices of Kant, Taekitini, Moore, LLC reveals that the length of these calls is normally distributed, with m = 240 seconds and s = 40 seconds.
What is the probability that a call from one of these phones will last less than 180 seconds? (Round to three decimals.)
What is the probability that a call lasted between 180 and 300 seconds? (Round to three decimals.)
What is the length of a call if only 1% of all calls are shorter? (Round to one decimal.)
Political prisoners Mathew, Mark, and Luke are told that two of the three are to be executed. Matthew takes the jailer aside and says, "We both know that at least one of the others, Mark or Luke, will be executed
You have 4 groups that you are trying to find if there is a difference in any of the population means. In each group there are 7 observations. The given level of significance is an alpha of .005. Your MSA is 6,200 and your MSW is 1,000. Will you r..
A car rental company has determined that the probability a car will need service work in any given month is 0.2. The company has 900 cars.
a) Under what circumstances can z be greater than one? b) Under what circumstances can a probability be greater than one?
Why is sampling strategy important? Please provide one or two examples from your work or past experience?
Discuss how graphical representations can be used to display data in a meaningful way. Choose a specific business application and describe an example of a specific graph or chart that can be used to interpret data and why it is so useful.
Draw the decision tree and perform a decision tree analysis of Steeley Associates decision situation using expected monetary value and what is the value of the information provided by Bernard Consultants (EVSI)? Give a recommendation as to whether ..
A sample from each population was selected at random and using the Kruskal-Wallis test, H was computed to be 2.11. What is your decision at the 0.05 level of risk?
Discuss an element of drinking water where you see a public health gap or need that should be addressed. You may bring up a specific case relevant to your community if you have one, or bring up a global issue.
Does drug have significant effect on aggression? Use an alpha level of .05, two tails.
If you increase in the equation, would it move the graph upward? Express your answer in terms of time, initial position, initial velocity, and acceleration.
Calculating the probability of all of them getting to their destination on time. Choose the best answer of the following: This is an example of a Poisson probability experiment
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