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There are 10 employees in a particular division of a company. Their salaries have a mean of $80,000, a median of $60,000, and a standard deviation of $22,000. The largest number on the list is $100,000. By accident, this number is changed to $1,000,000.
What is the value of the standard deviation after the change?
A numerical error in preparing his or her income tax return. If 10000 forms are selected at random and examined. Find the probability that 6,7,8, of the forms contain an error.
1. the mean television viewing time for americans is 15 hours per week money november2003. suppose a sample of 60
There is not enough information to answer the question, the formula requires knowing the population standard deviation for Mark and Debbie, and we were not given this information.
If the shop does not want to give more than 1% of its customers a free lube and oil change service, how long should the guarantee be?
1.a researcher was interested in determining whether incentives affect the response rate in surveys. a simple random
A raffle offers a first prize of $1000 2 second prizes of $300 and 20 third prizes of $10 each. If 15000 tickets are sold at 75 cents each, find the expected winnings (IN CENTS) for a person buying one ticket?
the u.s. adult population by age is as follows the world almanac 2009. the data are in millions of people. age number
in a poll of 600 randomly selected subjects 240 answered yes when asked if they planned to vote in a state election.
sampling and the binomial distribution.nbspfollowing is a gender frequency distribution for students in professor
Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales.
The shoppers are grouped in three age categories, under 30, 30 up to 50 and 50 and over. The data is summarized in the table. Let A be the event that a randomly selected shopper is under 30. Find the probability of A.
Suppose the probability of the worst-case scenario increases Compute the expected value of perfect information
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