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Oduvanchick [21]
3 years ago
7

The research group asked the following question of individuals who earned in excess of​ $100,000 per year and those who earned l

ess than​ $100,000 per​ year: "Do you believe that it is morally wrong for unwed women to have​ children?" Of the 1 comma 2051,205 individuals who earned in excess of​ $100,000 per​ year, 715715 said​ yes; of the 1 comma 3101,310 individuals who earned less than​ $100,000 per​ year, 695695 said yes. Construct a​ 95% confidence interval to determine if there is a difference in the proportion of individuals who believe it is morally wrong for unwed women to have children
Mathematics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

they should

Step-by-step explanation:

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mr.wallace surveyed 75 students at poole middle school to find out the students favorite place to eat lunch.
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Answer: Mr. Wallace got close to them to find out there favorite place to eat lunch.

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3 years ago
In a bag of marbles, image are red, image are blue, image are green, and image are yellow. You pick a marble without looking. Wh
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red

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A math club has 100 members. 60 members are boys and the rest are gins What is the ratio of boys lo ALL club members?​
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3 years ago
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84 is 35% of which of the following value
faust18 [17]

Answer:

28.56

Step-by-step explanation:

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7 0
3 years ago
URGENT NEED HELP
Gelneren [198K]

Emma:

Number of hours = 4

Total cost = 18

Where x is the cost per hour n and y is the flat fee

18 = 4x + y

Louise:

number of hours = 7

total cost = 25.50

25.50 = 7x + y

We have the system of equation:

18 = 4x + y

25.50 = 7x + y

Solve the first equation for y

18-4x = y

y = 18-4x

Replace y on the second equation; and solve for x

25.50 = 7x + (18-4x)

25.50 = 7x + 18 -4x

25.50 = 3x + 18

25.50 - 18 = 3x

7.5 = 3x

7.5/3 = x

2.5 = x

a. Cost per hour = $2.5

Now, replace x on any equation and solve for y

18 = 4x + y

18 = 4 (2.5) + y

18 = 10 +y

18 - 10 = y

8 = y

b. Flat fee = $8

c. Use the equation:

Cost = flat fee + cost per hourx (number of hour)

Cost = 8 + 2.5 (2)

Cost = 8 + 5 = $13

5 0
3 years ago
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