A particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls involve fax messages, and consider a samp what is the probability that exactly 6 of the calls involve a fax message?

0.1091 or 10.91%

Step-by-step explanation:    

We have been given that a particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls involve fax messages and consider a sample of 20 calls. We are asked to find the probability that exactly 6 of the calls involve a fax message.  

We will use Bernoulli's trials to solve our given problem.

Therefore, the probability that exactly 6 of the calls involve a fax message would be approximately 0.1091 or 10.91%.

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step-by-step explanation: