5500-[86+(728÷25)]=
1 answer:
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Hi! ⋇
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All proportions have <u>this</u> <u>form</u>:
, Where
is equal to
.
If , it's <u>not</u> a proportion.
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Here we have two pairs of numbers:
40,10 and 32,8.
Written As a <u>proportion</u>, they <em>look like</em> :
Hope this made sense to you :)
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Answer:
(1,1) x=1 y=1
Step-by-step explanation:
Answer:
60 students
Step-by-step explanation:
The confidence interval of a proportion is given by:
Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.
If the confidence interval is from 0.584 to 0.816, then:
60 students were in the sample.