B enough food because u want be in a good mood if u dont eat good
Answer:
Yes
Explanation:
The z score is a score used in statistics to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
For a normal distribution with a mean of μ and standard deviation σ, For any sample size (n) drawn from this population, the sample mean is normally distributed, with mean 
and standard deviation 
.
Hence given that a mean of μ = 20.6 years and standard deviation σ = 5.3 years, for a sample size of 100:
mean 
and standard deviation 
.
Educational appeals make the assumption that people will change their health habits if they; have the current information.
<h3>What causes a change in habit?</h3>
According to experts in Psychology, habits form when new behaviors become automatic and are enacted with minimum conscious awareness. That's because “the behavioral patterns we repeat most often are literally etched into our neural pathways.”
Now, it is widely believed that education is a great way to develop new habits in people. Education here is not just in school but could be in any form from raising awareness to the internet to books to documentaries and other forms.
Thus, we can conclude that Educational appeals make the assumption that people will change their health habits if they have current information.
Read more about habit change at; brainly.com/question/716777
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Answer:
a/b= 2/15
Explanation:
3a +b
----------- = 7/5
b
<h2>now cross multiple both side</h2>
5(3a+b)=7 x b
15a +5b = 7b
15a = 7b-5b
15a = 2b
15a/2b = 1
a/b x 15/2 =1
<h3>multiple both side
by 2/15</h3>
we get,
a/b = 2/15
hope you have no doubt now !
<h2>we get ,</h2>
