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sergejj [24]
3 years ago
11

Three shoppers from the survey are selected at random, one at a time without replacement. What is the probability that none of t

he three shoppers purchased electronics? Do not round your intermediate computations. Round your final answer to three decimal places.
Mathematics
1 answer:
Travka [436]3 years ago
5 0

Answer:

0.395

Step-by-step explanation:

The computation of the probability that none of the three shoppers purchased electronics is shown below:

So, first we have to determine the number of shoppers without considering the purchase i.e

= Total number of shoppers - electronics

where,

Total number of shoppers = Offices supplies + electronics + clothing + beauty supplies - electronics

= 18 + 25 + 40 + 12 - 25

= 95 - 25

= 70

Now the probability is

= \frac{70}{95}\times\frac{69}{94}\times\frac{68}{93}

= 0.395

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