yes of course it's bigger, put a mug next to a lamp and there you will see it
Answer: A 95 % confidence interval for
:-

A 95 % confidence interval for
:-

Step-by-step explanation:
Given : Sample size : 
Standard deviation : 
Significance level : 
We assume this is normal distribution
By using chi-square distribution, the critical value will be :-


The confidence interval for population variance:-


For standard deviation just take square root in the above inequality,

Commutative prop states that 7*8 = 8*7, so the property means that 8*7 = 56, just like 7*8
Does this work?
Sally took a 50 dollars bill with her going to the laundromat, and after she came home she looked through he pockets and she had:
2x 20 dollar bill
1x 5 dollar bill
1x 1 dollar bill.
how many loads of laundry did she do?
answer: she has left: 2*20+5+1=46 dollars
before she had 50 dollars, so she must have spent 50-46=4 dollars, which is 2*2, so she did two loads!