The ACT Math test consists of 60 questions that must be answered within the 60- minute time limit. Good luck!
Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
There are different variations in population size. The best reason why the simulation of the sampling distribution is not approximately normal is that The sample size was not sufficiently large.
<h3>What takes place if a sample size is not big enough?
</h3>
- When a sample size taken by a person or a researcher is not big or inadequate for the alpha level and also analyses that one have chosen to do, it will limit the study statistical power.
Due to the above, the ability to know a statistical effect in one's sample if the effect are present in the population is greatly reduces.
See full options below
Which of the following would be the best reason why the simulation of the sampling distribution is not approximately normal?
A The samples were not selected at random.
B The sample size was not sufficiently large.
с The population distribution was approximately normal.
D The samples were selected without replacement.
E The sample means were less than the population mean.
Previous question
Learn more about population size from
brainly.com/question/1279360
^ LOL for real. but whatever they said
Tori passed Piaget's class inclusion problem. This indicates that Tori can relate perceived specific categories to their less obvious general categories. This is further explained below.
<h3>What is Piaget's class inclusion problem?</h3>
Generally, Piaget considers the class-inclusion task to be a test of a child's understanding of the hierarchical structure of categorization.
In conclusion, Piaget's class inclusion issue was successfully solved by Tori. This suggests that Tori is able to tie particular categories that are perceived to their more obscure generic categories.
Read more about Piaget's class inclusion problem.
brainly.com/question/14395552
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