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In: Statistics and Probability

The CDC reported that approximately 0.22 of the adult population will be infected with influenza this...

  • The CDC reported that approximately 0.22 of the adult population will be infected with influenza this year. Seven adults were randomly selected. What is the probability that at least 6 will be infected with influenza?
  • The Governor’s Task Force on Gambling reported that gambling is addictive. You don’t care. You want to get rich quickly. You bet $40 on Red on the Revolving Wheel game which has a total of 250 squares on the wheel. This game has only red and green squares. One hundred eighty squares are green. If you win, you receive $100. What is your outcome?
  • The Department of Addiction Services is designing a questionnaire on determining the addictive behavior of gambling. There are 25 questions total. A question on incidence of gambling is repeated 4 times, a question on the harmful addiction of gambling is repeated 15 times, and a question on the permanent financial damage with gamblers is repeated 6 times. How many different question arrangements are possible?
  • The Department of Death Statistics reported that in one year there were 1095 deaths due to influenza in New York. What is the probability that the Department will see exactly 5 deaths on any given day?
  • The Department of the Navy calculated that during WWII, 2 U.S. hospital ships meeting at Pearl Harbor followed the exponential distribution with a mean of 6 minutes. What is the probably that time interval between the hospital ships meeting was between 3 to 9 minutes, inclusive?

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