Answer:
2.64
Step-by-step explanation:
The z score is calculated as
z=(x-mean)/Sd
The mean of scores of statistics exam=μ=99
The standard deviation of scores of statistics exam=σ=11
Individual's score in statistics exam=x=128
z=128-99/11=29/11=2.64
Hence, the z score of individual score is 2.64.
Answer:
51.6
Step-by-step explanation:
10.8 - -6.4 is 17.2
17.2 x 3 is 51.6
Answer:
21
Step-by-step explanation:
I hope you meant find x
5x + 3x + 2x = 180. x=18
Answer:
1167°
Step-by-step explanation:
Sum is adding up all of the angles so,
285°+ 293°+ 294°+ 295°=1167°
(sorry if its not correct)
