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The Powerball lottery is decided every Weds and Sat night by drawing 5 white balls out of a drum with 69 balls and 1 red ball out of a drum with 26 red balls. The Powerball jackpot is won by matching all 5 white balls in any order and the red Powerball. Each ticket costs $2. A ticket is defined as a set of 5 white and 1 red number.
How many possible different Powerball tickets can be purchased? How many possible different winning Powerball tickets are there?
Neither firm has any debt. Nano Engineering is acquiring Micro Tech for $350,000 in cash. What is the merger premium per share
write down the hypothesis the test used the p-value and the interpretation then hand calculates a 95% CL for the odds ratio estimate on this last test.
Spell-checking Spell-checking software catches "nonword errors," which result in a string of letters that is not a word, as when "the" is typed as "teh."
What is the sampling distribution of phat, the sample proportion of adults who smoke and in a random sample of 300 adults, what is the probability that at least 50 are smoker.
Suppose that you are given a new sample statistic to serve as an estimator of some population parameter. You are unable to assume any theoretical results.
Regulating access. When a random sample of 935 parents were asked about rules in their homes, 77% said they had rules about the kinds of TV shows.
1.) What type of survey method is used and why? 2.) What sampling method could be used to select the sample and why?
Using numerical and graphical summaries, describe the distribution of each explanatory variable. Are there any unusual observations that should be monitored?
If "Some obsessive-compulsive behaviors are not curable diseases" is true, what is the truth value of the following statements?
State the rejection rule for the null hypothesis using the "critical value method to test hypothesis". State the rejection rule for the null hypothesis using the "p-value method to test hypothesis". State your statistical conclusion as it relates to ..
a standardized third grade reading test called the we can read test has a mean of 50 with a standard deviation of 10. a
How does sleep deprivation affect your ability to drive? A recent study measured the effects on 19 professional drivers.
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