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3 years ago

Someone please help me with this math problem

Mathematics

1 answer:

timurjin [86]3 years ago

7 0

Answer: 27,600

Step-by-step explanation:

Ok, there could be two answers to this question. If the question is asking how much he would make if it was .15% more, the total would be 27,600/a year

However, if it's asking .15% <u>of</u> 24,000, your answer would be 3,600 ( as in the extra he would be making)

To find the answer, you would have to multiply 24,000*.15 (your starting value times how much you would like to multiply it by)

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Each year, all final year students take a mathematics exam. It is hypothesized that the population mean score for this test is 8

drek231 [11]

Answer:

95% Confidence interval: (96.06,103.94)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 85

Sample mean, $\bar{x}$ = 100

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 11

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$100 \pm 1.96(\frac{11}{\sqrt{30}} ) = 100 \pm 3.94= (96.06,103.94)$

(96.06,103.94) is the 95% confidence interval for the population mean test score.

8 0

3 years ago

75% of what number is 66?

alexira [117]

Divide the k own number by the percentage:

66 / 0.75 = 88

66 is 75% of 88

8 0

3 years ago

State the gradient of the line 2y = 3 - 2x.

lyudmila [28]

Answer:

Step-by-step explanation:

2y = 3 -2x

Rearrange the equation to slope-intercept form

y = -x + 3/2

Slope of line is 3/2.

8 0

3 years ago

Y=+/ (square root sigh) 346

AnnyKZ [126]

= 18.60108 that’s the answer

6 0

4 years ago

3. You earned $204 from your job last week. You have two relatives with birthdays coming up and you want to

san4es73 [151]

Answer:

62$

Step-by-step explanation:

FORGET THEM IM SAVING MY MONEY

4 0

4 years ago

Read 2 more answers