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Mathematics, 28.10.2019 06:31 keke6361
If movie tickets were $5.50 for a child’s ticket and $9.20 for an adult ticket, if 149 tickets were sold, with a total of $1137.70, how many tickets sold were adult tickets?
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Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
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Mathematics, 21.06.2019 22:30
In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%
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If movie tickets were $5.50 for a child’s ticket and $9.20 for an adult ticket, if 149 tickets were...
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