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Expected value for the probability distribution.
The National Basketball Association (NBA) records a variety of statistics for each team. Two of these statistics are the percentage of field goals made by the team and the percentage of 3-point shots made by the team. For a portion of the 2004 season, the shooting records of the 29 teams in the NBA showed the probability of scoring two points by making a field goal was .44, and probability of scoring three points by making a three point shot was 0.34.
a. What is expected value of a two point shot for these teams?
b. What is expected value of a three point shot for these teams?
If the probability of making a two point shot is greater than the probability of making a three point shot, why do coaches allow some players to shoot the three point shot if they have the opportunity? Use expected value to explain your answer.
A company tracked the number of complaints it received during the first 6 months of last year, as shown in the following table:
If the loss of weight of customers at the end of their first month is normally distributed with a mean of 6.7lbs and a standard deviation of 0.81lbs
Nine percent of undergraduate students carry credit card balances greater than $7000. Presume 10 undergraduate students are selected randomly to be interviewed about credit card usage.
Any person who is familiar with these trees understand the height of a California redwood tree which is related to another characteristics of the tree.
A game involving a pair of dice pays you 3 with probability 17/36, costs you 2 with probability 14/36, and costs you 4 with probability 5/36. What is your probability of losing money in one play of the game?
During the 2003 season, MLB took steps to speed up the play of baseball games in order to maintain fan interest; the following results come from a sample of 60 games played during the summer of 2002. And a sample of 50 games played during the summ..
Final step to be performed when testing hypothesis of population mean is to?
Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..
Let us speek where the preceding data are representative of the entire sector of retail sales companiesSuppose the annual profits are more than 6.5 thousand $ every employee.
Elucidate this data use an appropriate statistical test to explain whether the population mean TV "on" time has declined in the past decade.
To give 98% confidence interval for population mean μ, you would use critical value.
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
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