Data on U.S. work-related fatalities by cause follow ( The World Almanac , 2012)

Question

Data on U.S. work-related fatalities by cause follow (The World Almanac, 2012).

Assume that a fatality will be randomly chosen from this population. Round your answers to four decimal places.

a. What is the probability the fatality resulted from a fall?

b. What is the probability the fatality resulted from a transportation incident?

c. What Cause of Fatality is least likely to occur?
- Select your answer -BusinessFires and ExplosionsTransportation incidentItem 3

What is the probability the fatality resulted from this cause?

Cause of Fatality Number of Fatalities Transportation incidents 1795   Assaults and violent acts 837 Contact with objects and equipment 741 Falls 645 Exposure to harmful substances or environments 404 Fires and explosions 113

Explanation / Answer

Solution

(a) P(fall) = 645/(1795+837+741+645+404+113) = 0.1422

(b) P(transportation incident) = 1795/4535= 0.3958

(c) P(assualts) = 837/4535 = 0.1846

P(Contact with objects and equipment) = 741/4535 = 0.1634

P(Exposure to harmful substances or environments) = 404/4535 = 0.0891

P(Fires and explosions) = 113/4535 = 0.0249

Fires and Explosion Cause of Fatality is least likely to occur

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