2 4
CL
33
11
a.
C.
3
2 = 90 -
4
n=1
1
= 1 -
3
b.
72 = 16
d.
x = 12
Please select the best answer from the choices provided
А
B
D

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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion