Express your answer as a simple fraction or improper fraction. 3 times 3 over 5 equals n
1 answer:
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Answer:
No, and solutions is is not valid.
Step-by-step explanation:
Solving y'(x)= y(x)a|x| by parts yields y(x)= is the solutions, for y(0)=0 (initial value), it yields
which is not valid. Note a is assumed to be constant.
Answer:
The lower bound for a 90% confidence interval for the percentage of all American adults who believe in ghosts is 0.3549
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
For this problem, we have that:
90% confidence level
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The lower bound for a 90% confidence interval for the percentage of all American adults who believe in ghosts is 0.3549