Randomly selected employee-standard error of proportion

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Reference no: EM1389866

There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly.

a. Determine the standard error of the proportion.

b. What is the probability that the sample proportion (proportion of females) is between 0.40 and 0.55?

Reference no: EM1389866

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