Northern Light Health Partners offers routine physical examinations as part of a health service program for its employees. The exams showed that 8% of the employees needed corrective shoes, 15% needed major dental work, and 3% needed both corrective shoes and major dental work. Based o n this information what is the probability that an employee selected at random will need either corrective shoes or major dental work?

Answers

Answer 1

Answer: Our required probability is 20%.

Step-by-step explanation:

Since we have given that

Probability of the employees needed corrective shoes = 8%

Probability of the employees needed major dental work = 15%

Probability of employees needed both corrective shoes and major dental work = 3%

So, we need to find the probability that an employee will need either corrective shoes or major dental work.

So, it becomes,

[tex]P(S\cup D)=P(S)+P(D)-P(S\cap D)\\\\P(S\cup D)=8+15-3\\\\P(S\cup D)=23-3\\\\P(S\cup D)=20\%[/tex]

Hence, our required probability is 20%.


Related Questions

Eight-year-old Terry's performance on an intelligence test is at a level characteristic of an average 5-year-old. In other words, Terry was average for his age group. Which of the following is most likely Terry’s IQ score?
6
4
5
8

Answers

Answer:

5

Step-by-step explanation:

Assuming the intelligence test had 10 questions, since Terry was average for his age group, his most likely IQ score is 5

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