28% of US adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find the probability that the number of adults who say they are more likely to make purchases during a sales tax holiday is (a) exactly two, (b) more than two, and (c) between two and five, inclusive.

a

b

c

Step-by-step explanation:

From the question we are told that

   The  proportion of US adults who say that they are likely to make purchase during a sale tax holiday is  

  The  sample size is  n  =  10  

Generally the distribution of US adults who say that they are likely to make purchase during a sale tax holiday, follows a binomial distribution  

i.e  

and the probability distribution function for binomial  distribution is  

Here C stands for combination hence we are going to be making use of the combination function in our calculators  

Generally the probability number of adult is exactly 2 is mathematically represented as

=>    

=>    

Generally the probability number of adult is more than 2 is mathematically represented as

=>    

=>    

=>    

Generally the probability number of adult is between two and five, inclusive is mathematically represented as

=>  

=>  

=>  

=>  

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step-by-step explanation:

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people grow faster than other people.

step-by-step explanation:

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