A man and his wife appear in an interview for two vacancies in the same post. The probability two of husband’s selection is $$\frac{1}{7}$$ and the probability of wife’s selection is$$\frac{1}{5}$$. What is the probability that only one of them is selected?

A man and his wife appear in an interview for two vacancies in the sam

1.	A man and his wife appear in an interview for two vacancies in the same post. The probability two of husband’s selection is $$\frac{1}{7}$$ and the probability of wife’s selection is$$\frac{1}{5}$$. What is the probability that only one of them is selected?
A.	$\frac{4}{5}$$
B.	$\frac{2}{7}$$
C.	$\frac{4}{7}$$
D.	$\frac{8}{15}$$
E.	one of these
Answer» C. $\frac{4}{7}$$

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A man and his wife appear in an interview for two vacancies in the same post. The probability two of husband’s selection is $$\frac{1}{7}$$ and the probability of wife’s selection is$$\frac{1}{5}$$. What is the probability that only one of them is selected?

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