Mathematics, 06.07.2019 03:20 jcbballer
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 79 minutes and a standard deviation of 8 minutes. answer the following questions.
what is the probability of completing the exam in one hour or less (to 4 decimals)?
what is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes (to 4 decimals)?
assume that the class has 60 students and that the examination period is 90 minutes in length. how many students do you expect will be unable to complete the exam in the allotted time (to the nearest whole number)?
Answers: 1
Mathematics, 21.06.2019 14:30
Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?
Answers: 2
Mathematics, 21.06.2019 15:30
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 3
Mathematics, 21.06.2019 17:30
The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.
Answers: 2
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
The time needed to complete a final examination in a particular college course is normally distribut...
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