There is about a 50-50 chance that the percentage of

Reference no: EM13631508

In a certain city, there are 3,000,000 registered voters, of whom 1,200,000 are Democrats. A survey organization is about to take a random sample of 1,000 registered voters.

a. There is about a 50-50 chance that the percentage of Democrats in the sample will be bigger than _____.

b. Find the expected value for the sample percentage,

c. Find the standard error for the sample percentage.

d. Find the chance that 41% or more of the people in sample are Democrats.

e. True or false: If a large sample were taken, the standard error for the sample percentage would have been smaller.

Reference no: EM13631508

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