Answer:
WHAT IS THIS QUESTION AHHH BUT 03125
Step-by-step explanation:
Answer: 
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : Sample size : 
, which is a large sample , so we apply z-test .
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
Now, a confidence interval at the 95% level of confidence will be :-
Answer:
There are 26 tiles in the bag.
To spell the word DOT, we have to select 3 tiles from the bag.
This can be done in
26C3 ways.
Out of this, the word DOT can be correctly spelled in only 1 way.
Hence, the Prob.
=1 / 26C3
Answer:
Use the formula pi r^2. You are finding the radius. Plug the numbers in.
Michelle can fold 4/54 baskets per minute = 8/108 baskets per minute.
Ruby can fold 4/108 baskets per minute.
Each minute Michelle and Ruby work together, they can fold
8/108 +4/108 = 12/108 = 1/9
of a basket of clothes. For 8 baskets of clothes, it will take them
(8 baskets)/(1/9 baskets/minute) = 72 minutes
