<span>The
population standard deviation is unknown, sample size is less than 30,
and the population has a normal or near-normal distribution</span>.
Answer:
310
Step-by-step explanation:
total no.of students=1872
ratio of boys to girls=7:5
sum of ratio=total of students
12/12=1872
7/12=?
7/12*1872/1=1092which is the number of girls
1872-1092=780which is the number of boys
difference =1092-780= 310
Answer:
<u>B</u><u>.</u><u> </u>
Step-by-step explanation:
We answer that before thank you
-512 is the answer because 512 is a negative solution in Integers math
angles x y z are all acute because they are less than 90 degrees
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