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Question: The first digit of a randomly chosen expense account claim follows Benford's law. Consider the events A = first digit is 7 or greater and B = first digit is odd.
(a) What outcomes make up the event A? What is P(A)?
(b) What outcomes make up the event B? What is P(B)?
(c) What outcomes make up the event "A or B"? What is P(A or B)? Why is this probability not equal to P(A) + P(B)?
Another result in the same survey was that only 5% said that cheating on exams was "not at all serious." Using the reported margin of error.
In what way(s) is this histogram misleading? How can you change the frequency distribution so that the resulting histogram gives a clearer picture?
a survery of magizine subcribers showed that 45.8 percent rented a car during the past 12 months for business reasons.
If you concluded in part (a) above that the two variables are CI(1,1), estimate the long-run equilibrium relationship between PriCon and PerDisInc by the DOLS and FMOLS methods. Briefly comment on the results.
LIGHTNING DEATHS According to data obtained from the National Weather Service, 376 of the 439 people killed by lightning in the United States.
The waiting time to place an order at a branch of a fast-food chain during the lunch hour has had population mean of 3.55 minutes, with a population standard deviation of 1.1 minute.
question 1using the telephone numbers listed in your local directory as your population randomly obtain 20 samples of
Conducting a test of hypothesis to verify whether there is at least one inequality in the probability distributions, we find the statistics to be equal to. We therefore reject the null hypothesis of equality because H-test is greater than which i..
What motives may have prompted Ammianus Marcellinus to describe the Huns so harshly?
Use exponential smoothing to forcast Aug. income. Assume that the initial forecast for Feb. is $65,000. The smoothing constant selected is x=0.1
A panel of 300 persons chosen for jury duty includes 30 under 25 years of age. Since the jury of 12 persons chosen from this panel to judge a narcotics violation does not include anyone under 25 years of age, the youthful defendant's attorney comp..
A researcher is interested in whether social assertiveness might be influenced by training procedures. Two groups of college sophomores are randomly selected. Group A subjects are assigned to the "training sessions" and Group B subjects do not rec..
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