Answer:
-13/2
Step-by-step explanation:
-13/2 is the answer
Answer:
+1.12 and -1.12
Step-by-step explanation:
Let the two z scores be
.
Since the two Z-scores that separate the middle 73.72% on the Standard Normal Curve, this can be represented by the equation:

From the z table of the normal distribution, z₁ = 1.12. That is a z score of 1.12 gives 0.8686.
The two z scores are +1.12 and -1.12 = ± 1.12
Answer:
2/3 cup
Step-by-step explanation:
Well we see that they both have a common demonitator...6
Next we see the difference on the top of 5-1
After this we add 4 back mon top of the bottom(6)
It can be simplified from 4/6--> 2/3