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The score of students taking the ACT college enterance examination are normally distributed with mean = 20.1 and standard deviation =5.8
a). Determine the probability that a simple random sample of 25 students would earn an average score of at least 23.
b). Using the same mean and standard deviation (20.1 and 5.8) Joe was informed that he scored at the 93rd percentile on the ACT, what was Joe's approximate raw Act score. (round to the nearest .1)
in a golf tournament aaron won the first prize of $163700&sean came second with $97330. what was the differance between the two prizes ? what would they each have won if they had tied?
We are designing a computer graphic in which we zoom in on a cube. The volume V, surface area S, and side length z of the cube are all varying with respect to time. With this information, compute the following quantities using the steps described ..
to determine the number of deer in a game preserve the catch 647 deer and taged them later 424 deer are caught, 212 of them are taged. how many deer are in the preserve.
Discuss the difference in appearance of a graph of an equation and a graph of an inequality.
A ball is thrown vertically upwards from a height of 5 ft with an initial velocity of 50 ftper second. How high will the ball go?
Find the dimensions of the enclosure that is most economical to construct.
Important information about Mathematics - Probability, A sample contains 4 white balls, 2 green balls and 5 purple balls.
The mass of Uranus is about 8.7 x 10^22 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many times the mass of Uranus is the mass of the sub? Give you answer in scientific notation.
An executive invests $28,000, some at 6% and some at 5% annual interest. If he receives an annual return of $1540, how much is invested at each rate.
In a group of 97 students, the number taking English is twice the number of those taking Math. 53 students are taking one of these subjects and 15 are taking neither. How many students are taking math? How many are taking English?
A graph has six vertices, every two of which are joined by an edge. Each edge is colored red or white. Show that the graph contains a monochromatic triangle (a triangle all of whose vertices have the same color.) Is the result ttrue for a graph wi..
Sketch hyperbola after finding Center, Vertex and Foci of this equation: (y+5)squared/16 - xsquared/9 =1. Please show steps needed
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