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Find some probabilities. The previous exercise gives the projected number (in thousands) of earned degrees in the United States in the 2010-2011 academic year. Use these data to answer the following questions.
(a) What is the probability that a randomly chosen degree recipient is a man?
(b) What is the conditional probability that the person chosen received a bachelor's degree given that he is a man?
(c) Use the multiplication rule to find the probability of choosing a male bachelor's degree recipient. Check your result by finding this probability directly from the table of counts.
Observations of commuter traffic failed to find evidence of a significant change compared with three years ago. Explain what the studys P-value of 0.17 means in this context.
the joint distribution of a proportion of votes for candidate x and a proportion of votes for candidate y is given by
A sample of 64 account balances from a credit card company showed an average balance of $1,040. A previously determined population standard deviation is $200.
the weights of newborn baby boys in the population of a country follow a normal distribution with a mean of 105.3
Show the sampling distribution of the mean amount of Medicare spending for a sample of fifty 2003 enrollees.
How do these two students stand relative to their own classes? And, hence, which student performed better? Explain your answer
Mathml equation = $32,000 and mathml equation = $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500.
to find the sample size needed for a hypothesis test if ho mu10 ha mult10 sigma is unknown alpha 0.01 beta 0.05 and e
in pharmacological research a variety of clinical chemistry measurements are routinely monitored closely for evidence
If I know the T-score for those who made an A on a test is 60, the z-score for those that made a B is .5, the number of students total is 200,
The sample mean difference was 0.41 and Sd was 0.387.
A state meat inspector in lowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled " 3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds.
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