Answer: C im pretty sure
Step-by-step explanation:
Use this link it explains it pretty well
https://www.calculatorsoup.com/calculators/math/mixednumbers.php
Just copy and paste the link
I believe the answer is 605 because I did 5 times 11 and 10
Answer:
A
Step-by-step explanation:
hope it helps
Answer:

And we can assume a normal distribution and then we can solve the problem with the z score formula given by:

And replacing we got:


We can find the probability of interest using the normal standard table and with the following difference:

Step-by-step explanation:
Let X the random variable who represent the expense and we assume the following parameters:

And for this case we want to find the percent of his expense between 38.6 and 57.8 so we want this probability:

And we can assume a normal distribution and then we can solve the problem with the z score formula given by:

And replacing we got:


We can find the probability of interest using the normal standard table and with the following difference:
