Sorry I really need point but I wish you good luck!
Answer:
d.
Step-by-step explanation:
Here is an answer I found on the internet (kudos to investopedia.com)
If a Z-score is 0, it indicates that the data point's score is identical to the mean score.
In other words, it's saying that a z-score of zero has a standard deviation of zero.
Answer: 10+.6
Step-by-step explanation: be more specific
300/60=5 so your answer is 5 hours
