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Andrews [41]
2 years ago
7

Need help pls I don’t really remember functions if anyone could pls help that would be great pls and thank you.

Mathematics
1 answer:
NikAS [45]2 years ago
4 0
The third one is not a function

because there is two different outputs (y values) for on input (x value). The X value 4, can’t have and input of 1 and 2
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The weight of people in a small town in missouri is known to be normally distributed with a mean of 154 pounds and a standard de
ad-work [718]
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:
z=\frac{173-154}{29}=0.655
Referring to a standard normal distribution table, and using z = 0.66, we find:
P(\bar x\ \textless \ 173)=0.7454
Therefore
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4 0
4 years ago
Please help with this
Ghella [55]
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7 0
3 years ago
Ben says that n=5 is the solution of the equation 7n=45. How can you check whether Ben is correct?
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Answer:

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Step-by-step explanation:

7(5)=45

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3 years ago
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