Mathematics, 10.11.2020 14:00 dai77
Q1 a)
A company produces paper and it is known that the production follows a normal distribution with a mean of 500 and a standard deviation of 80.What is the probability that x is less than 400?
b) Let x be a random variable with a mean of 70 and standard deviation of 8. If x is normally distributed , what is the probability that x is at least 50?
c) A population has a mean of 4 and a standard deviation of 5 . What is the probability that the random variable x is greater than 4.5 ? If x is normally distributed.
Answers: 3
Mathematics, 21.06.2019 17:00
Write an algebraic expression for the word expression the quotient of c and 8
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If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?
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Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?
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Mathematics, 21.06.2019 20:30
The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)
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Q1 a)
A company produces paper and it is known that the production follows a normal distribution wi...
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