Find the probability that the third card
You pick 3 cards from a standard deck of 52 cards. Find the probability that the third card is and ace. Compare this with the probability that the first card is an ace.
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The diameter of steel rods made by a comapny are normally distributed with mean 2 inches and standard deviation .02 inch. A rod is defective if its diameter is less than 1.95 inches. What percent of the rods are defective?
Oxygen gas generated by the decomposition of potassium chlorate iscollected over water. Assume the gas is saturated with water vaporat a partial pressure of 22.4mmHg. The volume of gas collected was128 mL at 24 degrees C and a pressure of 762 mmHg
The amount of liquid placed in a soft drink cup is normally distributed with mean 10.5 ounces and standard deviation .5 ounce. If we buy two drink, what is the probability that each cup contains less than 10 ounces of liquid?
The numbers of hours worked (per week) by 400 statistics students are shown below.
A cannon shoots 5.0-kg cannon ball that carries a charge of 3.0 Coulombs at some angle above horizontal ground in a region in which there is a uniform electric field E and gravitational acceleration is straight down, -9.8 m/s2 y.
What structual feature is different in isotopes of aparticular element? What do all carbon atoms and ions have in common?
A piston-cylinder device containing carbon-dioxide gas undergoes an isobaric process from 15 psi and 80 F to 200 F. Determine the work and heat transfer associated with this process.
A proton is released from rest just outside the surface. How far will it be from the surface of the cylinder when its speed has reached 2550 km/s? The mass of the proton is 1.67 × 10-27 kg and e = 1.60 × 10-19 C.
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