## Question

###### 5- In a large restaurant an average of 3 out of every 5 customer ask for water with their meal. random sample of 10 customers is selected: (a) Find the probability that exactly 6 ask for water with their meal?Page 2 of 4(b) Find the probability that less than 9 people ask for water? (c) A second random sample of20 customers is selected: Find the smallest value of n such that P(X n) > 0.9 where the random variable X represents the number of customers who ask for water:

5- In a large restaurant an average of 3 out of every 5 customer ask for water with their meal. random sample of 10 customers is selected: (a) Find the probability that exactly 6 ask for water with their meal? Page 2 of 4 (b) Find the probability that less than 9 people ask for water? (c) A second random sample of20 customers is selected: Find the smallest value of n such that P(X n) > 0.9 where the random variable X represents the number of customers who ask for water:

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