A door delivery florist wishes to estimate the proportion of people in his city that will purchase his flowers. Suppose the true proportion is 0.05. If 408 are sampled, what is the probability that the sample proportion will differ from the population proportion by greater than 0.03?

 The probability is  

Step-by-step explanation:

From the question we are told that

   The population proportion is  

    The sample size is  n =  408

Generally the standard deviation of the sampling distribution is mathematically represented as

=>    

=>    

Generally the probability that the sample proportion will differ from the population proportion by greater than 0.03 is mathematically represented as

So    

=>  

From the z table  the area under the normal curve to the left corresponding to  2.778  and  -2.778  is

and

So

=>  

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

happy to

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