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One of the authors collected the times (in minutes) it took him to run 4 miles on various courses during a 10-year period. Here is a histogram of the times.
Describe the distribution and summarize the important features. What is it about running that might account for the shape you see?
in the very large lecture class chem 115 85 of students passed the first exam. joe did poorly and wants to start a
Basketball Spreads In sports betting, Las Vegas sports books establish winning margins for a team that is favored to win a game. An individual can place a wager on the game and will win if the team bet upon wins after accounting for the spread.
body mass index for newborns follows a normal distribution with a mean of 14 and standard deviation of .95. a doctor
question a researcher wishes to determine whether the average amount of bleaching agent in a 1kg packet of brand x
Develop a 90 percent confidence interval for the proportion of applicants that fail the test. (Round your answers to 2 decimal places.)
let x be a continuous distribution with probability density function fx2x32 if xgt -2 and fx0 otherwiselet yx2.
What measurements assesses the amount of variance of change in the dependent variable reflected by changes in the independent variable?
Bbut only 1 percent of those closed will have something stolen. If a garage is robbed, what is the probability the doors were left open?
A polulation has standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600.At 95% confidence, the margin of error is?
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.
A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager. A logistic equation was fit to the data with SPSS.
during the 2010 world cup group stage my friend manmood wanted me to pay him 5 if brazil beat portugal. at the time i
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