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Question: The die. Find the standard deviation of the amount you might win rolling a die in Exercise.
Exercise: You bet! You roll a die. If it comes up a 6, you win $100. If not, you get to roll again. If you get a 6 the second time, you win $50. If not, you lose.
a) Create a probability model for the amount you win at this game.
b) Find the expected amount you'll win.
c) How much would you be willing to pay to play this game?
(a) Identify the null hypothesis and alternative hypothesis. (b) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit.
Ten different people's income tax returns are done by each of the three software packages and the time is recorded for each. Which of the following is true?
The article "A Probabilistic Analysis of Dissolved Oxygen-Biochemical Oxygen Demand Relationship in Streams" (J. Water Resources Control Fed., 1969: 73-90) reports data on the rate of oxygenation in streams at 20°C in a certain region.
Review the five steps of hypothesis testing and complete the following problems.
Explain your answer to someone who is familiar with the t test for a single sample, but not with the t test for independent means.
The announced margin of error is plus or minus 3 percentage points. The announced confidence level is 95%. What is the value of the sample proportion.
For each of the following populations, would a score of X =50 be considered a central score (near the middle of the distribution) or an extreme score (far out in the tail of the distribution)?
a paint company claims their paint will be completely dry within 45 minutes after application. recently customers have
Prepare a 1,050- to 1,750-word paper describing the results of a hypothesis test of one population mean or population proportion.
A reasonable summary of the data might be provided by relating the score Si given by Si = 1 if never, Si = 2 if irregular, Si = 3 if fall and winter, and Si = 4 if whole year. What method can be used to relate mean BMD to this score variable?
Create a real-world situation or problem involving children who have adhd. Within state the independent and dependent variables you would study
a. Use PERT to identify the expected time and variance for each activity. b. What is the critical path? c. What is the expected time and variance of the critical path?
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