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Find the inverse probability of given data
The monthly sales of mufflers in the Richmond, VA area follow the normal distribution with a mean of 1200 and a standard deviation of 225. The manufacturer would like to establish Inventory levels such that there is only a 5% chance of running out of stock. Where the Manufacturer should set the inventory levels?
Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).
Questions based on binomial distribution, variance of the binomial distribution, discrete random variable and continuous random variables.
Determine the mean and standard deviation for number of actual voters in groups of 1002.
Confirm that these statements are accurate by finding the geometric mean rate of increase.
If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis in (a) above (the probability of not sharing the manager's concern because of lack of evidence)?
Using a critical value, test hypothesis at the 1% level of significance.
In the biology class the mean score was 79 with standard deviation 5.
What decision should be made regarding the null hypothesis?
The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
A confidence interval increases in width as:
Setermine the probability that a specific driver had exactly two violations?
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