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The stats on heart disease a year is about 600,000 Americans die yearly. In 2008 these were the percentages according to ethnicity, African Americans 24.5% died, American Indians or Alaska Natives 18.0% died, Asians or Pacific Islanders 23.2% died. What is the total number of African American died from heart disease if they represent 13% of the 316,000,000 American population?
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?
a professor in the school of business wants to investigate the prices of new textbooks in the campus bookstore and the
The distance is recorded for each hit, and the results are shown below, organized by brand. Carry out a complete analysis using ANOVA and a 5% significance level.
There are 4 entrances to a building in Philadelphia. The bldg maintenance super would like to know if the entrances are equally utilized. To investigate, 400 people were observed entering the building.
psychologist believe that memory of pictures is superior to memory for words. to test this hypothesis the psychologist
Test the claim that the mean age of people in the United States who would say yes to the survey question shown in the table is 60 years or older.
question a political party suspects there are differences in presidential candidate preferences based on age. a
suppose you open a new game at the county fair. when patrons win you pay them 3.00 when patrons lose they pay you 1.00.
an office has the following types of employees.femalemaleadministrative2021managerial1210operational4238if one person
Develop null and alternative hypotheses to help the bank determine which option would provide the best incentive to consumers.
While not busy covering local football games and wedding receptions, the reporter has designed and taken simple random samples of regular unleaded gas prices at 35 stations in Minneapolis and 35 in St. Paul.
1. suppose that we draw one card from a deck of 52 playing cards. what is the probability that the card will either be
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