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Whitepunk [10]
3 years ago
12

There are 16 boys and 19 girls in a class. The teacher calls the

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

1/12/2121 precent

Step-by-step explanation:

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There are 318 teachers at a college. Among a sample of 115 teachers from this college, 67 have doctorates. Based on this sample,
Fofino [41]

Answer: \dfrac{67}{115} or 0.5826

Step-by-step explanation:

Given : The total number of teachers in at a college = 318

In sample of n= 115 teachers from this college, the number of teachers with doctorates  : x=67

Then, the sample proportion of teachers at this college with doctorates

=\hat{p}=\dfrac{x}{n}\\\\=\dfrac{67}{115}=0.582608695652\approx0.5826  

Since the sample proportion is the best estimate of the population proportion.

Therefore , the estimated the population proportion of teachers at this college with doctorates = \hat{p}=\dfrac{67}{115}\  or\ 0.5826

8 0
3 years ago
A ventilation fan is installed in a vertical position. As the fan rotates, the distance, in inches, between the tip of a fan bla
Vsevolod [243]

Answer:

6,000

Step-by-step explanation:

Hard to explain but basically had to mega-zoom into my graphing calculator lol

8 0
4 years ago
Read 2 more answers
Is 11/2 greater than 4/8?
Aleonysh [2.5K]

Answer:

yes it's

Step-by-step explanation:

11/2 is greater than 4/8

8 0
3 years ago
3. Use a proportion to find the distance across the water from C to D.
sattari [20]

Answer:

35m

Step-by-step explanation:

Triangle 1 has an 8:20 ratio which can be simplified to 2:5 ratio

so We can apply this to 14

(14/2) * 5

7 * 5

35 meters

-- Gage Millar Algebra 1/2 tutor

8 0
2 years ago
A population of bacteria contains 150 bacteria in generation 1 and triples in
Sav [38]

Wait, is this a question?

150

450

1,350

Sorry if that's not the question lol

3 0
3 years ago
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