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tatuchka [14]
2 years ago
15

Hannah works at a electronics store she makes a commission of 13% on everything she sells if she sells 1,564 in electrictronis i

n one week how much money will Hannah make in commission
Mathematics
1 answer:
Sati [7]2 years ago
3 0

Answer:

203.32$

Step-by-step explanation:

extra lsttersi axjeinciencienciendiendirmf

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2. P337. 23. A large box contains 10,000 ball bearings. A random sample of 120 is chosen. The sample mean diameter is 10 mm, and
Rashid [163]

Answer:

B is True

A, C. D are false

Step-by-step explanation:

Given :

Sample size, n = 120

Mean diameter, m = 10

Standard deviation, s = 0.24

Confidence level, Zcritical ; Z0.05/2 = Z0.025 = 1.96

The confidence interval represents how the true mean value compares to a set of values around the mean computed from a set of sample drawn from the population.

The population here is N = 10000

To obtain

Confidence interval (C. I) :

Mean ± margin of error

Margin of Error = Zcritical * s/sqrt(n)

Margin of Error = 1.96 * 0.24/sqrt(120)

Confidence interval for the 10,000 ball bearing :

10 ± 1.96 * (0.24) / sqrt(120)

Hence. The confidence interval defined as :

10 ± 1.96 * (0.24) / sqrt(120) is the 95% confidence interval for the mean diameter of the 10,000 bearings in the box.

4 0
2 years ago
The formulas for power and work are and , where P= w/t is the power, W= fd
Klio2033 [76]
P = W/t
W = Fd

P = Fd/t = F/t d
6 0
3 years ago
Read 2 more answers
13. All students in a class play Scrabble or Checkers or both, 36% of the students play Scrabble only:
Genrish500 [490]

Answer:

b) 16%

Step-by-step explanation:

add 36 to 48 (84) then subtract that from 100. 16% played both games

6 0
3 years ago
Read 2 more answers
Keiko sold 3 less than three-fourths of his sister’s sales. Which expression represents what Keiko sold?
Valentin [98]
Let’s represent his sister’s sales as x

3/4ths of his sister’s sales would be:

3/4x

3 less than 3/4ths of his sister’s sales would be:

3/4x - 3
3 0
3 years ago
What is the unit cost of $9 for $56.07
Dmitry [639]

Answer:

Hmm.. I'm stumped

Step-by-step explanation:

Just here to say you can do it without brainly, you're smart!

6 0
2 years ago
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