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
Which expression is equivalent to the expression shown?
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Mathematics, 21.06.2019 23:00
Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10
Answers: 1
Mathematics, 22.06.2019 05:30
Graph the system of equations. { x-y=6 4x+y=4use the line tool to graph the lines. where do i put each point?
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Mathematics, 22.06.2019 05:30
Which is the area, rounded to the nearest tenth of square inch, of an equilateral triangle that has a perimeter of 24 inches
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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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