Answer:
-30
Step-by-step explanation:
I'm assuming the equation is . If it is not please tell me.
If we know the values of m and n, we can just substitute inside the expression.
Hope this helped!
What is the classification for this polynomial? X2y+3x3
1 answer:
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Answer:
6.7% of children who finished the race in under 45 seconds.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 75 seconds
Standard Deviation, σ = 20 seconds
We are given that the distribution of time of completion is a bell shaped distribution that is a normal distribution.
Formula:
P(finished the race in under 45 seconds.)
P(x < 45)
Calculation the value from standard normal z table, we have,
6.7% of children who finished the race in under 45 seconds.