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Let the unknown probability that abasketball player makes a shot successfully be θ. Suppose your prior on θ isuniform on [0, 1] and that she then makes two shots in a row. Assume that the outcomes of thetwo shots are independent.
a. What is the posterior density of θ?b. What would you estimate the probability that she makes a third shot tobe?
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
A single test on a certain device costs more than the entire lot. It is therefore decreed that not more than three tests will be performed per lot.
The media often attempts to predict the outcome of national elections. Why are they often wrong? Based on the concepts presented in this module's readings, how could the system be improved?
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
Suppose we wish to test the hypothesis H0: = µ2 vs. H1: = µ≠2 We find a two sided p-value of .03 and a 95% CI for µ of (1.5, 4.0) Are these two results possibly compatible? Why or why not?
How many data points can she use in a regression analysis using the data provided.
Create a real-world situation or problem involving children who have adhd. Within state the independent and dependent variables you would study
What are the main differences between descriptive and inferential statistics? Give examples of each. When would random sampling not be the best approach to sample selection? Give an example.
Draw a tree diagram representing the data. What is the probability that a vehicle stolen in this city will never be recovered?
An automobile manufacturer has a new model that they claim gets 27 miles per gallon. A consumer testing agency chooses 50 of these cars and finds that the sample mean is 25 miles per gallon and the sample standard deviation (s) is 3 miles per gall..
The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses three letters followed by 4 numbers.
What size random sample should you take if you want to estimate the annual salary in the population with 99 percent confidence and a maximum margin of error of $250?
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