Answer:
5
Step-by-step explanation:
Convert
8
2
5
to an improper fraction.
Answer:
45.94%
Step-by-step explanation:
Probability-Above 45.94%
Z =0.1
x= 61
µ 60
σ 9.8
X+7=-8
You are trying to get x on its own so you will subtract 7 from both sides.
x+7-7=-8-7
This simplifies to x= -8-7
A negative plus a negative equals a negative. So -8-7 equals -15
Your final answer is x=-15
Interquartile range is when you subtract Q3 and Q1. The Q3 is 54, Q1 is 42. We subtract that together and we get 12, so the second option.