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A car collection has black cars, red cars and 7 white cars. Draw model of the car collection?

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Related questions

A car dealership has 7 red, 12 silver, and 5 black cars on the lot. Ten cars are randomly chosen displayed in front of the dealership. Complete parts (a) through (c) below.

 

(a) Find the probability that 4 cars are red and the rest are silver

 

(b) Find the probability that 5 cars are red and 5 are black

 

(c) Find the probability that exactly 7 cars are red

5. Do the following tasks using Mathematica.

  1. Parametric equations of the cycloid are:

                        

Graph the cycloid for 0  ≤ θ ≤ 10  

  1. Show that the curvature at top of any one on cycloid’s aches is  

Hint: At top of any one of it’s arches y is maximum

  1. Parametric equations of a circle of radius r are:

                   

Show that the curvature of each point of a circle of radius r is 

 

23. The Lord motor company pro- duces 40% of its cars at plant A and the remainder at plant B. Of all cars produced at plant A, 20% do not have a spare tire, while 30% of the cars produced at B do not have a spare tire. A Lord car is purchased, and it happens to have a spare tire. What is the probability that the car was pro- duced at plant A? (A) .7 (B) .8 (C) 32/74 (D) 1/2 (E) 42/74 (F) none of the above

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