The following table shows the results of a survey of thousand customers who bought a new or used cars of a certain model
Type/ Satisfaction level Satisfied Not Satisfied
New $300$ $100$
Used $450$ $150$
If a customer is selected at random, what is the probability that the customer was satisfied

\frac{3}{4}

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\frac{2}{4}

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\frac{1}{4}

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None of these

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Solution

The correct option is A $\frac{3}{4}$
$P$ (satisfied) $= \frac{P e o p l e S a t i s f i e d}{T o t a l}$ $= \frac{750}{1000} = \frac{3}{4}$

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Type/ Satisfaction level	Satisfied	Not Satisfied
New	$300$	$100$
Used	$450$	$150$

The following table shows the results of a survey of thousand customers who bought a new or used cars of a certain modelType/ Satisfaction levelSatisfiedNot SatisfiedNew300100Used450150If a customer is selected at random, what is the probability that the customer was satisfied

The correct option is A 34P(satisfied) =PeopleSatisfiedTotal =7501000=34

The following table shows the results of a survey of thousand customers who bought a new or used cars of a certain model
Type/ Satisfaction level Satisfied Not Satisfied
New $300$ $100$
Used $450$ $150$
If a customer is selected at random, what is the probability that the customer was satisfied

The correct option is A $\frac{3}{4}$
$P$ (satisfied) $= \frac{P e o p l e S a t i s f i e d}{T o t a l}$ $= \frac{750}{1000} = \frac{3}{4}$