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The Staff at a small company includes 4 secretaries 20 technicians 4 engineers 2 executives and 50 workers. If a person is selected at random what is the probabilty that he or she is a factory worker?
Wiki User
∙ 11y ago
secretaries......4
technicians...20
engineers...... 4
executives......2
workers........50
==========
Total............80
Probability to select a factory worker = 50/80 or 5/8
Wiki User
∙ 11y ago
chijioke ebere
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The staff at a small company includes 4 secretaries 20 technicians 4 engineers 2 executives and 50 factory workers If a person is selected at random what is the probability that he or she is a?
To find the probability of drawing a person from any group, take the number in that group and divide by the total number of people. There are 80 total people in your example. P(secy) = 4/80 = 0.05 P(tech) = 20/80 = 0.25 P(engr) = 4/80 = 0.05 P(exec) = 2/80 = 0.025 P(fact worker) = 50/80 = 0.625
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The staff at a small company includes 4 secretaries 20 technicians 4 engineers 2 executives and 50 factory workers If a person is selected at random what is the probability that he or she is a?
To find the probability of drawing a person from any group, take the number in that group and divide by the total number of people. There are 80 total people in your example. P(secy) = 4/80 = 0.05 P(tech) = 20/80 = 0.25 P(engr) = 4/80 = 0.05 P(exec) = 2/80 = 0.025 P(fact worker) = 50/80 = 0.625
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