12/10 + 9/10 = 21/10
21/10 simplified is 2 1/10
true if that's what ur looking for. hope this helps
Answer:its A. 3/7 because it would be 12:28 so you'd simplify it.
Step-by-step explanation:
12/28=3/7
I do not see a picture sadly.
Answer:
The probability that the next customer will purchase a wireless phone is 0.1
Step-by-step explanation:
The relative frequency approach states<em> how often something happens divided by all outcomes</em>.
In the example some of the customers entering a supermarket purchased a wireless phone.
Here all outcomes are 500 customer entering supermarket. And among these outcome purchasing wireless phone happened 50 times.
Then the probability that the next customer will purchase a wireless phone is
.
If we divide both sides by 50, we get
=0.1