Which statement is true about the joint frequencies in
2 answers:
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Answer:
a
b
Step-by-step explanation:
From the question we are told that
The probability that an employees suffered lost-time accidents last year is
The probability that an employees suffered lost-time accident during the current year is
The probability that an employee will suffer lost time during the current year given that the employee suffered lost time last year is
Generally the probability that an employee will experience lost time in both year is mathematically represented as
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Generally the percentage of employees that will experience lost time in both year is mathematically represented as
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Generally the probability that an employee will experience at least one lost time accident over the two-year period is mathematically represented as
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Generally the percentage of the employees who will suffer at least one lost-time accident over the two-year period is mathematically represented as
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Answer:
Larissa takes 59.141 seconds to complete both laps.
Step-by-step explanation:
The complete time is the sum of time taken on each lap. We translate the two statements into mathematical expressions to determine the required output:
(i) <em>She completes her first lap in 31.135 seconds</em>:
(ii) <em>She completes her second lap 3.129 seconds faster than the first lap</em>:
Then, the time taken by Larissa to complete both laps is:
Larissa takes 59.141 seconds to complete both laps.