Question

Suppose that 30% of female students and 25% of male students at a large high school are enrolled in an AP ® class. Independent random samples of 20 females and 20 males are selected and asked if they are enrolled in an AP ® class. Let ˆ p F represent the sample proportion of females enrolled in an AP ® class and ˆ p F represent the sample proportion of males enrolled in an AP ® class. Is the 10% condition met?
____, 20 is less than 10% of _____at the large high school and 20 is less than ____ males at the large high school.
The standard deviation of ˆ p F − ˆ p M is approximately ____ .
The difference (Female – Male) in the ______ that are enrolled in an AP ® class typically varies by about______ from the true difference in proportions of _____

Answer 1

Answer:

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