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1. What does it mean? part 1. Respond to the following questions:
a) A casino claims that its roulette wheel is truly random. What should that claim mean?
b) A reporter on Market Place says that there is a 50% chance that the Federal Reserve Bank will cut interest rates by a quarter point at their next meeting. What is the mean- ing of such a phrase?
2. What does it mean? part 2. Respond to the following questions:
a) After an unusually dry autumn, a radio announcer is heard to say, "Watch out! We'll pay for these sunny days later on this winter." Explain what he's trying to say, and comment on the validity of his reasoning.
b) A batter who had failed to get a hit in seven consecutive times at bat then hits a game-winning home run. When talking to reporters afterward, he says he was very confident that last time at bat because he knew he was "due for a hit." Comment on his reasoning.
Tread wear was found to be 80,000 miles with a standard deviation of 5,600 miles. What is the best estimate of the average tread life in miles for the entire population of these tires?
Test the teachers hypothesis that there is a significant difference between the pre and post tests.
A box contains six parts. Two of the parts are defective and four are ok. If three of the six parts are selected from the bin, how large is the sample space?
If the airlines' goal was to attain the same proportion of on-time arrivals as in 2004, do the preliminary results indicate that they have met this goal? Support your assertions.
in a one-tail hypothesis test where you reject h0 only in the upper tail and the p-value is .0228 assuming zstate 2.00
your client is considering two investments and has asked you to evaluate these alternatives. provide financial and risk
a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the
The sampling distribution of the average score and Suppose x' is your average pay for the 100 weeks. Then x' has approximately
Construct a pie chart of relative frequencies and construct a bar graph of the relative frequencies
If we assume that the download times are normally distributed, what percent of users will wait between 5 and 10 seconds for the homepage to download?
The Evergreen Fertilizer Company produces fertilizer. The company's fixed monthly cost is $25,000, and its variable cost per pound of fertilizer is $0.15.
Percentage grades in a large chemistry class follow a normal distribution with mean 67 and standard deviation 8. (a) What proportion of students in the class receive a grade lower than 56.5?
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