Answer: b) -0.625
<u>Step-by-step explanation:</u>
The formula for the z-score is:

Answer:
B.Line graph
Step-by-step explanation:
it is the best way to display the data of how many students perfer which sport
Sorry, I'm going to need a more accurate question. How many kids are there in total?
Answer:
The probability of a car being selected will be given by :the number of car required/ the total number of cars
Step-by-step explanation:
Probability is the likelihood of an event occurring.
This is given by : number of required outcome/number of possible outcome
5.3g + 9 = 2.3g + 15
5.3g + 9 - 9 = 2.3g + 15 - 9
5.3g = 2.3g + 6
5.3g - 2.3g = 2.3g - 2.3g + 6
3g = 6
3g / 3 = 6 / 3
g = 2