<span>Factor 80t - 16t = 0
</span><span>
= 16t(5 - 1)
------------------------------</span>
Answer:
001,23,83,88,112,132,667
Step-by-step explanation:
Are you kidding me that you need help on this?
Answer:
Step-by-step explanation:
He does not walk at all if he's swimming.
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)