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Question: Batteries. In a group of 10 batteries, 3 are dead. You choose 2 batteries at random.
a) Create a probability model for the number of good batteries you get.
b) What's the expected number of good ones you get?
c) What's the standard deviation?
1.a company is studying their processes and for one of them the acidity of the mixture is critical. they have obtained
An education expert is researching teaching methods and wishes to interview teachers from a particular school district. She randomly selects ten schools from the district and interviews all of the teachers at the selected schools.
conde nast traveler conducts an annual survey in which readers rate their favorite cruise ship. all ships are rated on
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Analyze the data with a one-factor repeated-measures ANOVA, construct a summary table, perform Tukey HSD tests, and write an interpretation.
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lily estimates that her time to fall asleep each night is approximately exponentially distributed. it takes her an
Given that standard deviation process=4.7 and standard deviation gage=3.4, what is the total standard deviation in data from this process?
Thirty-six percent of women consider themselves basketball fans. You randomly select six women and ask each if she considers herself a basketball fan. a) construct a binomial distribution.
John Thurgood founded a company that translates Chinese books into English. His company is currently testing a computer-based translation service.
Calculate the volume of water using the ideal gas model under the following conditions. Then report the percent error when compared to the values reported in the steam tables.
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