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lina2011 [118]
3 years ago
13

A city planner would like to estimate the true mean annual income of all households in the city. She selects a random sample of

50 households and determines that the 99% confidence interval for the true mean annual income of all households in the city to be $42,000–$68,000. Which of these statements is a correct interpretation of the confidence level?
Mathematics
1 answer:
Bumek [7]3 years ago
6 0

Answer:

If many random samples of size 50 are selected from all households in the city, approximately 99% of the intervals would capture the true mean household income.

Step-by-step explanation:

EDGE2021

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Rus_ich [418]

Answer: oil paint = 32

Step-by-step explanation:

x + 6x = 224

7x = 224

x = 224 / 7 = 32 = with oil paint

With water coolers,

6x = 6 x 32 = 192

8 0
3 years ago
Which of the binomials below is a factor of this trinomial? 6X squared minus 7X -5
lord [1]

Answer:

C. 2x + 1

Step-by-step explanation:

Factorize 6x² - 7x - 5

6x² + 3x - 10x - 5

3x(2x + 1) - 5(2x + 1)

(3x - 5)(2x + 1)

Therefore, 2x + 1 is a binomial factor of 6x² - 7x - 5.

6 0
3 years ago
Alexia started babysitting when she was in high school. She has built a reputation for herself and has become popular among the
alukav5142 [94]
H= number of hours worked.

10h+5 ≥75 (1)

10h ≥ 70 (2)

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3 0
3 years ago
Your teacher tells you that a line goes through the points (-6, 1/2) and (-4, 3.)
rosijanka [135]

Answer:

Step-by-step explanation:

I'm pretty sure that the equation for slope is y2 -y1

                                                                        -----------

                                                                          x2 - x1

Substitute in the info, and simplify to find the slope.

7 0
3 years ago
Use the GCF and the distributive property to find each sum 15 + 57
Vesna [10]

Answer:

(3*5)+(19*3)

Step-by-step explanation:

both numbers GCF is 3.

(3*5)=15

(19*3)=57

15+57=72

Hope that helps

8 0
3 years ago
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