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Question: Every 10 years, the United States takes a census. The census tries to count every resident. There are two forms, known as the "short form," answered by most people, and the "long form," slogged through by about one in six or seven households chosen at random. According to the Census Bureau (www.census.gov),". each estimate based on the long form responses has an associated confidence interval."
Suppose the Census Bureau decided to report on areas from which only 50 long forms were completed. What effect would that have on a 95% confidence interval for, say, the mean cost of housing? Specifically, which values used in the formula for the margin of error would change? Which would change a lot and which would change only slightly?
Suppose that a guest claims that she played the slot machine 5 times and hit the jackpot twice. Find the probability of exactly 2 jackpots in 5 trials.
b. State the regression model equivalent to covariance model (22.3) for this case; use 1, -I, o indicator variables. Also state the reduced regression model for testing for treatment effects.
The steps to perform that is to first compute the z-score in the original scale, and then transform it using the formula transform Standard Score.
The following study was developed by Economist Simon Fass. Fass surveyed a sample population of low-income households in St. Martin. The variables analyzed were monthly income per adult and choice of rental contract for housing.
Normal distribution with average 500 and SD 100. A college wants their students to be in the top 12.5% for verbal aptitude. What minimum qualifying score should they set?
Determine the standard deviation of the difference between the diameter of the hole and the diameter of the bolt. (Round your answer to 4 decimal places.)
Find the probability that 4 of the 5 committee members belong to a union.Find the probability using hypergeometric distribution.
Instructions: Perform the 5-step hypothesis testing procedure, HERE ARE THE STEPS THAT NEED TO BE FOLLOWED & THE RAW DATA IS BELOW. Hypothesis Testing Steps given
To avoid these problems, these authors have argued that firms should increase their debt-to-equity ratio and "soak up" free cash flow through interest.
Normal 0 false false false EN-US X-NONE X-NONE correlation coefficient for th..
Translate the following arguments into symbolic notation.- If Prohibition succeeded in the 1920s, then the war on drugs will succeed today. But Prohibition did not succeed in the 1920s. Therefore, the war on drugs will not succeed today.
b. Philippine debt has a high interest rate. Also, the peso will appreciate so the debt is even more expensive. Everhart should finance with dollar-denominated debt.
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