Percentage of area under standard normal curve
Use a z-table to find the percentage of the area under the standard normal curve between the two values. Round your answer to the nearest hundredth.
z = -0.32 and z = 1.94
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A person repeatedly and independent flips a fair coin to decide whether to take a step to the left or to the right from a point X. Determine the expected number of times the person returns to X.
The Speedboat A negotiates a curve having radius 156 m. Speedboat B negotiates a curve having radius 238 m. Each boat experiences the similar centripetal acceleration. Determine the ratio vA/vB of the speeds of the boats?
Use a table to find the percentage of the area under the standard normal curve between the two values. Round your answer to the nearest tenth.
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