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Tju [1.3M]
3 years ago
11

Find the indicated probability.

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0

Answer:

a) P_1=\dfrac{847}{997}.

b) P_2=\dfrac{513}{997}.

c) P_3=\dfrac{334}{997}.

d) P_4=\dfrac{37}{997}.

e) P_5=\dfrac{521}{997}.

Step-by-step explanation:

The table

\begin{array}{lccccc}&\text{Nonsmoker}&\text{Occasional}&\text{Regular}&\text{Heavy}&\text{Total}\\\text{Men}&334&50&68&32&484\\\text{Women}&357&30&89&37&513\\\text{Total}&691&80&157&69&997\end{array}

shows the smoking habits of a group of asthma sufferers.

a) The probability of getting a woman or nonsmoker is

P_1=\dfrac{513+334}{997}=\dfrac{847}{997}.

b) The probability of getting a woman is

P_2=\dfrac{513}{997}.

c) The probability of getting a man and a non smoker is

P_3=\dfrac{334}{997}.

d) The probability of getting a woman and heavy smoker is

P_4=\dfrac{37}{997}.

e) The probability of getting a man or heavy smoker is

P_5=\dfrac{484+37}{997}=\dfrac{521}{997}.

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