Answer:
you didnt show the picture
Step-by-step explanation:
Answer:
Step-by-step explanation:
624 students
Since they’re only 3 parts more girls then boys and the number equals 144, you just have to divide 144 by 3. You’ll get 48
Multiply 5 and 8 by 48 to get 240 and 384 and add to get 624 which is the answer
Answer:
1/64
Step-by-step explanation:
4x4^3/4^7
4^-3
1/4^3
<u>1/64</u>
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Answer:
In the pic
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
