0.8 10
1.2
1.4
1.6
1.8
2.0
0.2881
0.3413
0.3849
0.4192
0.4452
0.4641
0.4772
2.8
3.0
3.2
3.4
3.6
0.4974
0.4987
0.4993
0.4997
0.4998
0.4999
0.5000
3.8
4.0
Standard Deviation Percentage Area
2.4
%
1.6
%
0.4
v%
1.4
3.6
v%

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base