Write a problem about your favorite television show that uses the equation x + 8 = 30.

Mathematics

1 answer:

rosijanka [135]2 years ago

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Answer:

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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
$P(\bar x\ \textgreater \ 173)=1-0.7454=0.2546$
The answer is: 0.2546

4 0

4 years ago

What is 242 - 198 subtract

kirza4 [7]

The answer would be 44

7 0

3 years ago

I need the simplified expression for this please

morpeh [17]

2/3x - 2/3x4
2/3x - 8/3

5 0

3 years ago