Statistics single problem
1) CBS and the NYT conducted a national poll of 1048 randomly selected 13 to 17-year olds and counted how many owned smart phones. The reporters were trying to decide whether more than half of teenagers own smart phones.
Random variable:
Hypothesis:
Tail of the test:
state the Type I and Type II errors in complete sentences
type 1 error:
type 2 error:
11 years ago 3
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