Probability that of calculators will be defective
The F.S. Supplies Company buys calculators from a Japanese supplier. The probability of a defective calculator is 20%. If 15 calculators are selected at random, what is the probability that 5 or more of the calculators will be defective?
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Consider a 1.0 kW fuel-cell assembly operating at 50% efficiency. (a) How many litres of water does it produce per hour? (b) If its fuel is natural gas (CH4), what fraction of a cubic meter does it consume ea. hour and what is the cost if natural
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After the collision, the 80.0-g puck moves in a direction that makes an angle of 45.0° with the original direction of motion and the 100-g puck moves at an angle of 12.0° in the opposite direction. What is the speed of the 80.0-g puck afte
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A sample space S consists of five simple events with these probabilities:
A drag racer that weighs 1600 lb attains a speed of 270 mph in a quarter mile. Immediately after passing through the timing lights, the driver opens a round drag chute with a diameter of 6 ft.
A 310-g air track cart is traveling at 1.25 m/s and a 260-g cart traveling in the opposite direction at 1.33 m/s. What is the speed of the center of mass of the two carts?
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