furniture company wants to know what percent of their customers are satisfied with the furniture they purchase. The company surveys 57 customers to gather feedback. Suppose that, in reality, 93% of all customers are satisfied with their purchase. How are the collection of all sample proportions of samples of size 57 distributed?
furniture company wants to know what percent of their customers are satisfied with the furniture they purchase. The company surveys 57 customers to gather feedback. Suppose that, in reality, 93% of all customers are satisfied with their purchase. How are the collection of all sample proportions of samples of size 57 distributed?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A furniture company wants to know what percent of their customers are satisfied with the furniture they purchase. The company surveys 57 customers to gather feedback. Suppose that, in reality, 93% of all customers are satisfied with their purchase.
- How are the collection of all sample proportions of samples of size 57 distributed?
N(, )
- What is the probability that fewer than 89% of those surveyed are satisfied with their purchase?
- List the zz-scores needed to calculate the result. If there is more than one zz-score, separate the values with a comma.
- There is a ------ chance that fewer than 89% of those surveyed are satisfied with their purchase.
- What is the probability that more than 94% of those surveyed are satisfied with their purchase?
- List the zz-scores needed to calculate the result. If there is more than one zz-score, separate the values with a comma.
- There is a ------chance that more than 94% of those surveyed are satisfied with their purchase.
- What is the probability that between 89% and 94% of those surveyed are satisfied with their purchase?
- List the zz-scores needed to calculate the result. If there is more than one zz-score, separate the values with a comma.
- There is a ------chance that between 89% and 94% of those surveyed are satisfied with their purchase.
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