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vichka [17]
3 years ago
6

Pls help 10th grade math

Mathematics
1 answer:
shtirl [24]3 years ago
8 0

Answer:

thttttttttttttttttttttttttttttt

Step-by-step explanation:

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A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 95% sure that he
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Answer:

The sample size is 183.

Step-by-step explanation:

Given:

σ = $1050, ppulatin standard deviation

99% confidence interval

Accuracy = +/- $200

The accuracy is given by

z*(σ/√n)

where

z* = 2.576 for 99% confidence level (from tables)

n = sample size

Therefore

2.576(1050/√n) = 200

√n = (2.576*1050)/200 = 13.524

n = 182.9

<em>The sample size is 183</em>

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6 0
3 years ago
PLS ANSWER ASAP!
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Answer:

i cant give a graph but i can give you a slope formula (although theres no set y intercept so \/

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Step-by-step explanation:

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3 years ago
PLEASE EXPLAIN and Help me solve this<br> thank you!!!
Nina [5.8K]

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Charlie is at a small airfield watching for the approach of a small plane with engine trouble. He sees the plane at a angle of e
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First find the vertical distance from Charlie to the plane by subtracting the altitude of Charlie's eyes from the altitude of the plane: 1700-5.2=1694.8 ft. Let d be the distance from Charlie to the plane. Use the trignometric relationship in the right triangle: sin32=1694.8/d. d=3198 ft.
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3 years ago
What’s the answer no links or I will report
artcher [175]

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105° will be the correct answer

8 0
3 years ago
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