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Alchen [17]
3 years ago
6

Find the circumference of the circle in terms of it.​

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

Answer:

37.6991 cm

Step-by-step explanation:

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Which problem is represented by this inequality? 1 7 x < 14 A) There are 1 7 as many ladybugs as ants on the picnic table. If
Jet001 [13]

Answer:It's A becauseits the only answer that says less than, the others say more than and less than or equal to.

Step-by-step explanation:

7 0
4 years ago
Compute the standard error for sample proportions from a population with proportion p= 0.55 for sample sizes of n=30, n=100 and
Pani-rosa [81]

Given Information:

Population proportion = p =  0.55

Sample size 1 = n₁ = 30

Sample size 2 = n₂ = 100

Sample size 3 = n₃ = 1000

Required Information:

Standard error = σ = ?

Answer:

$ \sigma_1 = 0.091 $

$ \sigma_2 = 0.050 $

$ \sigma_3 = 0.016 $

Step-by-step explanation:

The standard error for sample proportions from a population is given by

$ \sigma =  \sqrt{\frac{p(1-p)}{n} } $  

Where p is the population proportion and n is the sample size.

For sample size n₁ = 30

$ \sigma_1 =  \sqrt{\frac{p(1-p)}{n_1} } $

$ \sigma_1 =  \sqrt{\frac{0.55(1-0.55)}{30} } $

$ \sigma_1 = 0.091 $

For sample size n₂ = 100

$ \sigma_2 =  \sqrt{\frac{p(1-p)}{n_2} } $

$ \sigma_2 =  \sqrt{\frac{0.55(1-0.55)}{100} } $

$ \sigma_2 = 0.050 $

For sample size n₃ = 1000

$ \sigma_3 =  \sqrt{\frac{p(1-p)}{n_3} } $

$ \sigma_3 =  \sqrt{\frac{0.55(1-0.55)}{1000} } $

$ \sigma_3 = 0.016 $

As you can notice, the standard error decreases as the sample size increases.

Therefore, the greater the sample size lesser will be the standard error.

8 0
4 years ago
Pls pls help it's really urgent!!!!​
Kobotan [32]

Answer: disregard my previous answer, it was incorrect, looking for right one right now

(you can delete this if you want)

6 0
3 years ago
Keisha is working on a math worksheet with 50 problems. She has completed 20 problems in 25 minutes. If she continues at the sam
Sidana [21]
Set up a proportion.

\sf\dfrac{20}{25}=\dfrac{50}{x}

Cross multiply:

\sf1250=20x

Divide 20 to both sides:

\sf~x=62.5

So it will take 62.5 minutes for her to complete the worksheet.
7 0
3 years ago
Read 2 more answers
I dont really understand this??​
jeyben [28]

Answer:

x\geq  -53

Step-by-step explanation:

The inequality includes -53.

The interval notation is \:[-53,\:\infty \:)

\{ x \in \mathbb{R}: x \geq  -53 \}

8 0
3 years ago
Read 2 more answers
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