Answer:
For each part, find how many numbers have the stated characteristic, then divide by 21.
e.g. multiples of 5:
these would be 10, 15, 20, 25, and 30
so prob (a multiple of 5 ) = 5/21
Do the others the same way
Answer: 
Step-by-step explanation:
As per given , we have
n = 11

Since population standard deviation is missing, so we use t-test.
Critical t-value for 99% confidence :
[using two-tailed t-value table]
Confidence interval :

Hence, 99% confidence interval for the mean amount of time that students spend in the shower each day.= 
Answer: I believe the answer to the question is 208 the way I found this out is that I address the side up and then Then times that by eight and that’s how I got my answer I hope this helps
Step-by-step explanation:
Because you can have a negative inside the absolute value so even if it is inside the absolute value of -3 will come out as 3.
Answer:
Step-by-step explanation:
Multiply each number times 2 and then subtract from 29
3: 23
4: 21
5: 19
6: 17