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Anna007 [38]
2 years ago
11

(a) Find the standard error of the mean for each sampling situation (assuming a

Mathematics
1 answer:
Fed [463]2 years ago
7 0

Answer:

a

Step-by-step explanation:

ok

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There are 60 seats on a train. 6 of the seats are empty. What percentage of the seats on the train are empty?
sergij07 [2.7K]

Answer:

10%

Step-by-step explanation:

  1. Set up a proportion: \frac{6}{60} = \frac{x}{100}  
  2. Cross multiply, then divide: 6 × 100 = 600, 600 ÷ 60 = 10
  3. 10/100 = 10%

I hope this helps!

6 0
3 years ago
What is the leading coefficient of the polynomial?
ANEK [815]

ANSWER

B) 15

EXPLANATION

The given polynomial is

23 {x}^{5}  + 12 {x}^{2}  + 19 { x }^{3}  + 15 {x}^{6}

We arrange this polynomial in ascending powers of x to obtain the standard form;

15 {x}^{6} + 23 {x}^{5}    + 19 { x }^{3} + 12 {x}^{2}

The degree of this polynomial is 6.

The coefficient of the leading term is 15

6 0
3 years ago
Translate the following statement into a mathematical equation:
sleet_krkn [62]
(6+4)n =18 is the answer
8 0
3 years ago
Read 2 more answers
The average amount of time to finish this quiz is 26 minutes with a standard deviation of 1.2 minutes. What is the probability t
boyakko [2]

Answer:

What is the probability that you will finish this quiz in 23.84 minutes or less?

0.03593

Write your answer as a percentage with 2 decimals

= 3.59%

Step-by-step explanation:

The z score formula is given as:

z = (x-μ)/σ, where x is the raw score, μ is the population mean, and σ is the population standard deviation.

Mean = 26 minutes

Standard deviation = 1.2 minutes.

The probability that you will finish this quiz in 23.84 minutes or less(≤) is calculated as:

z = (x-μ)/σ

z = 23.84 - 26/1.2

z = -1.8

Probability value from Z-Table:

P(x ≤ 23.84) = 0.03593

Converting to percentage

0.03593 × 100

= 3.593

Approximately to 2 decimal places = 3.59%

7 0
3 years ago
Step by step please -- algerbra 2<br><br> w(n) = 4n +2 ; find w(3n)
viva [34]

Answer:

12n+2

Step-by-step explanation:

w(n)=4n+2

w(3n)=4(3n)+2

w(3n)=12n+2

4 0
2 years ago
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