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安裝中文字典英文字典辭典工具!
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- A. the percentage of IQ scores between 100 and 120.
B the probability of selecting a person at random having an IQ between 100 and 120 34% > x > 13 6% 34 100 > x > 13 6 100 likewise C the percentage of IQ scores between 88 and 100 34% D the probability of selecting a person at random having an IQ between 88 and 100 34% or 34 100 likewise E the percentage of IQ scores that are 110 or above
- SOLUTION: IQs are normally distributed with a mean of 100 and a . . .
IQs are normally distributed with a mean of 100 and a standard deviation of 15 If an individual is randomly selected, find the probability that his or her IQ is greater than 120 z(120) = (120-100) 15 = 20 15 = 1 3333
- SOLUTION: Good Afternoon, I #39;m having a problem figuring out the . . .
You can simply put 84 over 120 and divide: 84 120= 7000 Now move the decimal over twice to the right to get the percent: 70 00%-----Or you can cross multiply with two fractions: 84 120=x 100 The x is over 100 because you want the percent, not the decimal This proportion is literally saying, "84 is to 120 as x is to 100" You can also do:
- SOLUTION: {{{P(x) = -x^3 + (27 2) x^2 - 60x + 100}}}, x amp;#8805; 5 . . .
Question 1041296: , x ≥ 5 is an approximation of the total profit (in thousands of dollars) from the sale of x hundred thousand tires Find the number of hundred thousands of tires that must be sold to maximize profit
- SOLUTION: A plane can fly 420 miles in the same time as it takes a car . . .
A plane can fly 420 miles in the same time as it takes a car to go 120 miles If the car travels 100 mph slower than the plane, find the speed of the plane so what is the speed of the plane ? thank you :) Letthe rate of the plane be x distance traveled by plane = 420 miles time taken by plane = 420 x distance traveled by car =120 miles
- SOLUTION: The average time a person spends at the Barefoot Landing is . . .
Find the probability that a randomly selected visitor will spend the following times at the seaquarium Assume the times are normally distributed Between 100 and 120 minutes More than 115 minutes Answer by ewatrrr(24785) (Show Source):
- x_1 + 2x_2 + \dots + 100x_{100} = 1, - Algebra Homework Help
Question 1209924: Let x_1, x_2, \dots, x_{100} be real numbers If x_1 + 2x_2 + \dots + 100x_{100} = 1, then find the minimum value of x_1 1 + x_2 2 + \dots + x_{100
- A car traveled from city X to city Y at a uniform speed of 120 miles hr.
we know the dist from x to y, is twice the dist from y to z, therefore 2d = the distance from x to y and 3d = the total distance from x to z: Write a time equation, time = dist speed xy time + yz time = total time + = multiply by 600a 600a* + 600a* = 600a* Cancel the denominators 5a(2d) + 6ad = 600(3d) 10ad + 6ad = 1800d 16ad = 1800d
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