4. Mr. Edgett’s Algebra 2 class has both juniors and seniors. The ratio of juniors to seniors is 4:1. If he has 30 students in a
2 answers:
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Answer: 0.2643
Step-by-step explanation:
Let p be the population proportion and be the sample proportion .
As per given question , we have
z-score :
The required probability ( using z-table ):-
Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643
The correct answer is A. It satisfies the top equation but not the bottom equation.
This can be found by plugging in the given x and y values to the system, as seen in the attached picture.
I hope this helps! :)
This can be found by plugging in the given x and y values to the system, as seen in the attached picture.
I hope this helps! :)