Answer:
6 paper towel rolls
Step-by-step explanation:
If she uses 1/2 of a paper towel roll each week and there are twelve weeks, divide the number of weeks by the number of paper towel rolls she uses.
Answer:
10
Step-by-step explanation:
10+3 = 13
13 x 7 = 91
Answer:
The test statistics is
Step-by-step explanation:
From the question we are told that
The sample size is n = 100
The null hypothesis is 
The alternative hypothesis is 
The sample mean is 
The standard deviation is 
The level of significance is 
Generally the test statistics is mathematically represented as

=> 
=>
Answer:
c.) 31
Step-by-step explanation:
comment if u need explanation :))
Answer:
here you go
Step-by-step explanation:
1 is = 2 is >