In a random sample of 68 people,17 are classified as​ "successful."   a. Determine the sample​ proportion, p, of​ "successful" people. b. If the population proportion is 0.70​, determine the standard error of the proportion.

MATLAB: An Introduction with Applications
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In a random sample of
68 people,17 are classified as​ "successful."
 
a. Determine the sample​ proportion, p, of​ "successful" people.
b. If the population proportion is 0.70​,
determine the standard error of the proportion.
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