A school administrator wants to know what proportion of teachers in their state have a Master's degree. The administrator takes an SRS of 100 teachers from a statewide database containing every teacher, and they find
55 teachers in the sample have a Master's degree. The administrator wants to use this data to construct a one-
sample z interval for a proportion.
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Which conditions for constructing this confidence interval did their sample meet?
Choose all answers that apply:
The data is a random sample from the population of interest.
B
np > 10 and n(1-P) > 10
Individual observations can be considered independent.