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Homework answers / question archive / 1)A market researcher is interested in determining the average income for families in San Mateo County, California
1)A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of
Ho: m ≤ 67
Ha: m > 67
These hypotheses _______________.
The frequency distribution reveals that the wait times in the emergency room are _______.
x |
P(x) |
0 |
0.30 |
1 |
0.10 |
2 |
0.50 |
3 |
0.10 |
The mean (average) value of x is _______________.
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