Answer:
B.
Step-by-step explanation:
Irrational as π is irrational.
Eh 12/20 is .6 pages a minute. 20/32 is .625 pages a minute
My guess is -1 because when a x value don’t got a number replace it with a 1
Answer:
And then the percentage between 24 and 40 would be
Step-by-step explanation:
For this problem we have the following parameters given:
And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.
From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.
We can find the number of deviations from themean for the limits with the z score formula we got:
And replacing we got:
And then the percentage between 24 and 40 would be
Answer:
3/40 hours
Step-by-step explanation: