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solong [7]
3 years ago
9

1. Find the sample size needed to estimate the proportion of voters favoring a candidate if we want our estimate to be within 3%

with 95% confidence. A)2430 B)1068 C)89%
2. A political action group wishes to learn the government approval rating on the environment. From a past study they know that they will have to poll 270 people for their desired level of confidence. If they want to keep the same level of confidence but divide the margin of error in third, how many people will they have to poll? A)2430 B)1068 C)89%

3. A newspaper article indicates that an estimate of the unemployment rate involves a sample of 47,000 people. If the reported rate must be within 0.2% and the rate is known to be 8%, find the corresponding level of confidence. A)2430 B)1068 C)89%
Advanced Placement (AP)
1 answer:
RUDIKE [14]3 years ago
5 0

Answer:

The code to this question can be defined as follows:

sphere Volume = (4.0/3.0)*Pival*sphere Radius*sphere Radius*sphere Radius; // defining a double variable sphere Volume that calculate and hold its value

Explanation:

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My sons middle school breaks the 7th grade kids in two groups for math. 3/5 of the classes are concidered accelerated. 2/5 are a "slower" pace. My son was placed in the accelerated class ( he had A's and B's last year) This year he is having a tough time in math. His confidence is down and he tells me that the teacher goes too fast. The teacher mentioned that we could swich him. I do not know what to do. in 8th grade the kids are in 3 groups. If he is placed in the lowest group now what will happen in the future. If he goes in with the low group will he be with a lot of behavior issue kids? I worry about his self esteem as well. Why would I want to switch him? He is frustrated with the pace and I find myself reteaching so that he can complete his homework. Is a lower grade in accelerated math better than a high grade in "slow" math.

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3 years ago
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3 years ago
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galben [10]

The extent of change in the relationships between workers and management in the United States in the period from 1870 to 1898 is known to be one that became a lot tenuous.

During this period, a lot of Managers were said to be very much most interested in getting more workers and they had no sympathy for needs or wants of their workers.

<h3>What was the relationships between workers and management in this period?</h3>

Before the 1870s, a lot of businesses in the United States were said to be handled by small family enterprises that is sole proprietor and they often run the business with just little employees. Here, a lot of small business owner do meet or handle the daily needs of his community.

Due to the build up of large factories , there was the division of labor that started in the 1870s, where a lot of owners of large businesses used managers to handle the day to day running of their operations. Mostly in the factories and to make sure that there is productivity to the highest.

Managers were said to be obligated to lower the cost of daily running of operating of the factories and cost of creating the products the factory produces.

Managers due to the above used scientific approach to business and as such were looking only at numbers and do not have any sympathy for their workers' needs. This led to a strain in their relationship

Learn more about relationships from

brainly.com/question/10286547

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3 years ago
A model rocket is launched vertically into the air such that its height
ahrayia [7]
We need more information
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2 years ago
Who wrote the Star-Spangled Banner and what inspired him to write the poem
Kipish [7]

Answer:

On September 14, 1814, Francis Scott Key pens a poem which is later set to music and in 1931 becomes America's national anthem, “The Star-Spangled Banner.” The poem, originally titled “The Defence of Fort M'Henry,” was written after Key witnessed the Maryland fort being bombarded by the British during the War of 1812.

Explanation:

Hope This Helps

Have A Great Day

7 0
2 years ago
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