Solve part 6.2.53 Question Help According to asavey 21% of \"esidents of acountr

Question

Solve part 6.2.53 Question Help According to asavey 21% of "esidents of acountry 25 years oidorolder had earned at least a bachelor's degree You are petrnng a study would likn at least 10people rne tudy to have earned atleast a badelors degee (a) How many residents oll the country 25 years old or older do you expect to randomly select? (b) How many residents of the country 25 years old or olider do you have to randomly selet to have a probablity 0 965 that the sample contans t leat To who have eamedat least a bacheliors degrea (a) The number of randomy sented residents(Round up to the nearest rteger )

Explanation / Answer

a)

Mean=n*p

10/0.21=n

47.62=n

48=n

b)

We need >10 with a probability of p=0.21 and q=0.79 and final answer should be 0.865. That number would be 67 (closest)

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