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Concept explainers
Surge Protectors Refer to the accompanying figure showing surge protectors p and q used to protect an expensive television. If there is a surge in the voltage, the surge protector reduces it to a safe level. Assume that each surge protector has a 0.985
a. If the two surge protectors are arranged in series, what is the probability that a voltage surge will not damage the television? (Do not round the answer.)
b. If the two surge protectors are arranged in parallel, what is the probability that a voltage surge will not damage the television? (Do not round the answer.)
c. Which arrangement should be used for better protection?
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Chapter 4 Solutions
Elementary Statistics, Books A La Carte Edition (13th Edition)
- On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form the price of an appliance. If the contestant is correct, he or she wins the appliance. What is the probability of winning when the contestant knows that the price is at least $400?arrow_forwardIf the spinner shown below is spun, find the probability of each event. Assume that the spinner never stops on a line. The spinner stops on orange.arrow_forwardFind the probability of each event. Drawing 5 orange cubes from a bowl containing 5 orange cubes and 1 beige cubesarrow_forward
- If the spinner shown below is spun, find the probability of each event. Assume that the spinner never stops on a line. The spinner stops on green.arrow_forwardIf the spinner shown below is spun, find the probability of each event. Assume that the spinner never stops on a line. The spinner stops on red.arrow_forward
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