Answer:
And the 68% confidence interval is given by (91.1186, 97.2814)
Step-by-step explanation:
For this case we know that mean time that visitors stay at a museum is given by:
The standard deviation is given by:
And the standard error is given by:
And we want to interval captures 68% of the means for random samples of 25 scores and for this case the critical value can be founded like this using the normal standard distribution or excel:
We can find the interval like this:
And replacing we got:
And the 68% confidence interval is given by (91.1186, 97.2814)
Answer:
the answer is 19
Step-by-step explanation:
you have to multiply the two numbers
(breaths in) True, <span>The </span>point<span> at which the circle and the line intersect is the </span>point of tangency<span>.</span>
Answer:
9
Step-by-step explanation:
6 + 3=9