Mathematics, 17.07.2019 06:10 jessiebotello7209
He time needed to complete a final examination in a particular college course is normally distributed with a mean of 77 minutes and a standard deviation of 12 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 2 decimals)?
Answers: 2
Mathematics, 21.06.2019 17:00
Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π
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Mathematics, 21.06.2019 19:30
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
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Mathematics, 21.06.2019 20:30
1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]
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Mathematics, 21.06.2019 21:00
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
Answers: 3
He time needed to complete a final examination in a particular college course is normally distribute...
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