SOLUTION: suppose that your school day begins at 7:30 am and ends 3:00 pm, You eat lunch at 11:00 am. If there is a fire drill at random time during the day, what is rthe probability that it

Algebra ->  Formulas -> SOLUTION: suppose that your school day begins at 7:30 am and ends 3:00 pm, You eat lunch at 11:00 am. If there is a fire drill at random time during the day, what is rthe probability that it      Log On


   



Question 37050: suppose that your school day begins at 7:30 am and ends 3:00 pm, You eat lunch at 11:00 am. If there is a fire drill at random time during the day, what is rthe probability that it begins beore lunch?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
7:30 TO 11:00 = 3.5 HOURS 11:00 TO 3:00 = 4 HOURS THUS THE PROBABILITY OF AN ALARM BEFORE LUNCH IS 3.5/(3.5+4) OR 3.5/7.5 OR .47 THE PROBABILITY IT WILL BE BEFORE LUNCH