Answer:
Step-by-step explanation:
Because then the value on the other side will be unbounded by the infinity sign while expressing the answers on a number line.
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Answer:
25 kids are in the class
Step-by-step explanation:
Answer: 99.73%
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
Let X be the random variable that represents the data values.
Formula for Z-score : 
For x=94, we have

For x=106, we have

The probability that the samples are between 94 and 106:-

Hence, the percent of the samples are expected to be between 94 and 106 = 99.73%
Zero would mean the sea level. Since three miles below sea level is -3, and 0-3 is -3.