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Sales of cars and light trucks. Motor vehicles sold to individuals are classified as either cars or light trucks (including SUVs) and as either domestic or imported. In a recent year, 69% of vehicles sold were light trucks, 78% were domestic, and 55% were domestic light trucks.
Let A be the event that a vehicle is a car and B the event that it is imported. Write each of the following events in set notation and give its probability.
(a) The vehicle is a light truck.
(b) The vehicle is an imported car.
In a lengthy manuscript, it is found that only 2/3 of the pages contain no typing errors. Assume that the number of errors per page has a Poisson distribution.
The reason for this difference is not understood. Here are the summary data. Determine if the male scores are significantly higher than the female scores.
according to a december 2007 gallup poll 24 of american adults have visited a casino in the past 12 months. what is the
Describe what you find then produce an ANOVA for the problem.
Explain the difference of your outlook on statistics after having studied it for whatever period of time you have done so as oppose to the time before taking up the study.
The Scatter plot can more easily be generated using the Chart procedure.
How many ways might there be in picking a small group of 6 people from a large group of 20 people?
Write down the probability of that the median of the sample or average medians is greater or more than 320 minutes?
Its known that 5% of all AA bateries made by Power Manufactures are defective. AA batteries are sold in packs of 4. Find the probability that a pack of 4 has exaclty 2 defective batteries.
The length of the skulls of 10 fossil skeletons of an extinct species of bird has a mean of 5.68 cm and a standard deviation of 0.29 cm. Assuming that such measurements are normally distributed, find a 95% confidence interval for the mean length ..
Explain how a matched pairs experiment should be conducted to compare texting and typing speeds. Be sure to explain the role of randomization, and why it is important in this experiment and how should randomization be used in this experiment
a real estate agent has appointments with eight prospective clients. from past experience the agent knows that the
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