Thank you for looking at these please if you have a moment post a few answers as

Question

Thank you for looking at these please if you have a moment post a few answers as soon as you can and I appreciate your help!

Question 1

In a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor?
   4.00%
   3.88%
   3.93%
   19.70%

Question 2

Randomly select a customer that purchases tofu. Randomly select a customer that purchases chicken. Are these events mutually exclusive?
   Mutually exclusive events
   Non-mutually exclusive events

Explanation / Answer

1)required probability =(66/331)*(65/330)= 0.0393=3.93%

2)Teo events are mutually exclusive if occurence of one event does not effect the other event.

Here, a customer that purchases tofu and a customer that purchases chicken are independent or doest not affect each other. Hence, they are

Mutually exclusive events.

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