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FrozenT [24]
3 years ago
11

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 s

tores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain stores, and 3 of the 20 locally-owned stores. From his inspection he finds that 2 of the 3 large chain stores are compliant, 1 of the 4 smaller chain stores is compliant, and 1 of the 3 locally-owned chain stores is compliant. Using the sample results, estimate the proportion of the entire population of stores that is compliant with the ordinance.
A) 0.121
B) 0.4
C) 0.6
D) 0.879
Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0
The answer is B)0.4 because four of the ten stores that were surveyed were compliant so the proportion of the entire population of stores that would be compliant is <span>410</span> or 0.4<span> </span>
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A statistician studies the relationship between income and the choice of individuals to attend college. He notices that during a
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The conclusion is is misleading because the extraneous variable, cost of tuition was not accounted for in the experiment.

<h3>What are the variables in this experiment?</h3>

The independent variable is the variable that the person carrying out an experiment changes or manipulates. This variable is income. The dependent variable is the variable that is being measured in an experiment. This variable is college enrolment.

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3 years ago
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(x+3)*(x+4)*(x+5)*(x+6)+1
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ANSWER:

6 0
3 years ago
Joshua was offered a job that paid a salary of $77,500 in its first year. The salary was set to increase by 2% per year every ye
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2 years ago
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PLEAZE HELP IM FAILING THIS CLASS 9) The volume of a box is represented by x' +11x² + 20x – 32. The width of the box is x – 1, a
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Answer:

Step-by-step explanation:

Volume of the box  =  x³ +11x² + 20x – 32        I think the ' is a typo for ³

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                                               but I will plot the equation to find the three roots

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L  =  (x³ +11x² + 20x – 32) / (x-1) (x+8)

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L =   (x + 4)

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