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Researchers asked students in grades 4-6 in three school districts in Michigan about what they thought was the most important thing in school: making good grades, being popular or being good in sports. There were urban, rural and suburban schools surveyed. Rural Suburban Urban All Grades 57 87 103 247 Popular 50 42 49 141 Sports  42 22 26 90 All 149 151 178 478 Find the probability of selecting two students who attend urban school from this data set (without replacement). Round your solution to 2 decimal places. 

An architect is considering bidding for the design of a new museum. The cost of drawing plans and submitting a model is $9,000.  The probability of being awarded the bid is 0.2. If the architect is awarded the​ bid, she will make ​$90,000 minus the $9,000 cost for plans and a model. The probability of not being awared the bid is 0.8. What is the expected value in this situation? Round your solution to the nearest whole number.

Researchers asked students in grades 4-6 in three school districts in Michigan about what they thought was the most important thing in school: making good grades, being popular or being good in sports. There were urban, rural and suburban schools surveyed. Rural Suburban Urban All Grades 57 87 103 247 Popular 50 42 49 141 Sports  42 22 26 90 All 149 151 178 478 What is the probability that a randomly selected student is from an urban school given that they think sports are most important? Round your solution to 2 decimal places. 

  What is the strength of each tablet? 

  If you have an order for 160 mg, how many tablets will be given? 

Why is it important not use an oral syringe with hypodermic medications?

Solve  the equations.  Express your answer to the nearest whole number.  15/1  x   350/5  x 1/60.  

Dosages are obtained by dividing the numerators by the denominators.

Directions for reconstitution of a powdered oral drug may include dosage based on body weight.