The answer is B because you are suppose to square and divide once you subtract 6 on both sides.
Answer: 178%
Step-by-step explanation:
1780/1000 = 178/100
do parentheses first which gives you 42-4+111 then aubtract to get 38+111 which equals 149
9/10 - 5/10
because the denominators are the same you keep it and just subtract the numerators
=4/10
This can be reduced to 2/5
Answer:


Step-by-step explanation:
Let the salted package be represented with 1 and the unsalted, 2.
So:
Mean of salted package
Mean of unsalted package
Considering the given options, the null hypothesis is that which contains =.
So, the null hypothesis is:

The opposite of = is
. So, the alternate hypothesis, is that which contains 
So, the alternate hypothesis is:
