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One study on slavery estimated that a slave had only 2% chance of being sold into the interstate trade each year. This estimate turns out to be based on auction records in Anne Arundel Country, Maryland. Is it trustworthy? Explain briefly.
Find the probability of getting at most 25 lefties assuming that they are chosen with a process designed to yield a 12% rate of lefties.
A newspaper conducted a statewide survey concerning a proposal to raise taxes to prevent budget cuts to education. The newspaper took a random sample (assume it is an SRS) of 1200 registered voters and found that 580 would vote to raise taxes. Let..
Given this information we could use a Z test for two independent means and conclude that indeed the sales are different when the soup is a featured item.
What is a discrete random variable and how does it differ from a continuous random variable? Give examples.
A component has an exponential time-to-failure distribution with a mean of 10,000 hours. The component has already been in operation for its mean life. What's the probability that it will fail by 15,000 hours?
Conduct a hypothesis test using the .04 level of significance to determine if there is a difference between the population means.
Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.
a producer of staplers has received a forecasted demand of 10000 staplers for the coming month. fixed costs are 11545
Using the sample obtained, draw a histogram and calculate mean and variance for 1000 sampled values for random variable Y = X2.
It is the last play of the game and the famous coach's team is on offense. If it makes 5 yards or more, it wins; if not, it loses. Both sides choose Nash equilibrium strategies.
question the probability that an individual egg in a carton of eggs is cracked is 0.03. you have picked out a carton
To forcast the sample size within 0.02 with 90 percent confidence. The CEO of the organization needs to forcast the proportion of Canadians who own their house.
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