Answer:
2.28%
Step-by-step explanation:
As this is normally distributed, we can use z scores to find the percentage.
First, find the z-score for 148.
The z-score that you get is:
(148-160)/2=2
As we see that z=2, we can use a calculator or a z-score chart to find the percentage less than a z score of 2.
I used my chart and found: 2.28%
Answer:
1/2 or 0.50
Step-by-step explanation:
To find the probability of getting either blue or green on a spinner, we must add both probabilities together.

To make adding our two fractions easier, we need to make sure they have like denominators.

Now that the denominators of our probabilities are the same, we can add them together to get our answer.

or 
Answer:
10
Step-by-step explanation:
first put the value of all three variables
i.e. 2*3+4
multiply first and then add
6+4
10
The graph of this equation is
x:-2 y:1
x:-1 y:3
x:0 y:5
x:1 y:3
x:2 y:1
I hope this is what you wanted.