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There are two urn, a green urn and a red urn.
The green urn contains 17 green balls and the red urn contains 15 red balls.Each round, one ball is chosen randomly from either urn.
The probability that the green urn on any given round is chosen is 4/7.
The probability that the red urn is chosen is 3/7.
What is the probability that there are exactly 6 red balls remaining at the moment the green urn is discovered to be empty?
Find the average rate of change from x=2 to x=5. Find the derivative f'(x) from first principles, by setting up the difference quotient, (f(x+h)-f(x))/(h) and finding lim h->0 (f(x+h)-f(x))/(h)
Find the maximum value of the quadratic function. Make sure to show your work.
If the wages per hour are $10, $15, and $18 for low, medium, and high skilled, respectively, how many of each type should be hired to minimize total hourly wages?
An Airplane flies 410 miles with wind and 330 against wind in the same lengthof time. If speed of the wind is 20mph, What is the speed of the airplane in still air?
In a second grade class containing 15 girls and 7 boys, 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy, given that the first one was a girl? Whic would be the correct ..
The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. If the ship uses 200 barrels of oil in traveling 500 miles at 28 miles per hour, determine how many barrels of oil are used..
Find the force exerted by the water against the gate (w = 62.4).
If square D has a perimeter of 49 feet and square F has a perimeter of 64 feet, what is the scale factor of the two squares?
the length and width of the base of a rectangular prism are 5.5 cm and 3 cm. The height of the prism is 6.75 cm. Find the exact value of the surface area of the prism, in square centimeters.
A textbook store sold a combined total of physics and math textbooks in a week. The number of physics textbooks sold was two times the number of math textbooks sold. How many textbooks of each type were sold?
An arrow is accidentally shot into the air. The formula y = - 14x2 + 56x + 18 models the arrow's height above the ground, y, in feet, x seconds after it was released.
Find the probability of selecting an eight, A card is selected from a standard deck of 52 playing cards. Find the probability of selecting
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