Probability of obtaining
A fair coin is tossed 500 times. Find the probability of obtaining more than 300 heads.
A. 0
B. 2/5
C.1
D. 3/5
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A multiple-choice test consists of 77 questions with possible answers of a, b, c, d, e. Estimate the probability that with random quessing, the number of correct answers is at least 33.
(a) Is the electric force between A and B attractive, repulsive or zero? (b) What is the magnitude of the electric force between the balls?
A 15cm diameter circular wire loop carries a current of 2.4A . a) Find the torque on the loop in a 1.4T magnetic field directed perpendicular to the loop.
Two long parallel wires each carry 2.8A in the same direction, with their centers 1.8cm apart. Express your answer to two significant figures and include the appropriate units. a) Find the magnitude of the magnetic field halfway between the wires.
Find the value of z that would be used to test the difference between the proportions, given the following. (Use G - H. Give your answer correct to two decimal places.)
Which of the following is not a method of "benchmarking"? tilize the DuPont system to analyze a firm's performance. Identify a group of firms that compete with the company being analyzed.
A 21cm long solenoid consists of 5400 turns of wire wound uniformly. What current is needed to produce an 8.0mT magnetic field inside the solenoid? Express your answer to two significant figures and include the appropriate units.
After the recalibration, the quality-control manager randomly selects 19 bottles from the line and determines that the standard deviation is 0.38 ounce. Is there less variability in the filling machine? Use a 0.01 significance level.
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