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Find the probability and explain the results please.
The population mean annual salary for environmental compliance specialists is about ?$60,500. A random sample of 33 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than ?$57,500?
Assume sigma =$5,900. The probability that the mean salary of the sample is less than ?$57,500 is ( ? )
Please round to four decimal places
The Screw Right Company claims their 3 / 4 inch screws are within ±0.23 of the claimed mean diameter of 0.750 inches with a standard deviation of 0.115 inches.
Using a separate 2 by 2 table, compute predictive value positive and predictive value negative for population of 1,000 drug users.
Jeremy Denham plans to save $7,000 every year for the next eight years, starting today. At the end of eight years, Jeremy will turn 30 years old.
an election ballot asks voters to select 6 city commissioners from a group of 18 canidates. in how many ways can this
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Identify all the averages (mean, median, or mode) that can be used to summarize the data. Dollar amount due on next payment.
Are commodity price shocks problematic?
A survey of the world's nations in 2004 shows a strong positive correlation between percentage of the country using cell phones and life expectancy in years at birth.- Does given mean that cell phones are good for your health?
Quantum, Inc. declared a $2 per share dividend on October 1. The date of record is October 20th, the ex-dividend date is October 18th, and the payment date.
One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month.
Given that 8 is the outcome on the first roll, find the probability that the bettor now rolls the point 8 before rolling a 7 and thus wins. Note that at this stage in the game the only outcomes of interest are 7 and 8. Thus find P(8 | 7 or 8).
a brewerys filling machine is adjusted to fill bottles with a mean of 32.8 oz. of ale and a variance of 0.006.
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