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Alona [7]
3 years ago
14

A university financial aid office polled a random sample of 759 male undergraduate students and 836 female undergraduate student

s. Each of the students was asked whether or not they were employed during the previous summer. 439 of the male students and 394 of the female students said that they had worked during the previous summer. Give a 99% confidence interval for the difference between the proportions of male and female students who were employed during the summer. Step 3 of 4 : Find the value of the standard error. Round your answer to three decimal places.
Mathematics
1 answer:
Bess [88]3 years ago
5 0

Answer:

Step-by-step explanation:

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Anton [14]

Answer:

The anwser is D.

Step-by-step explanation:

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What is the fourth term of an arithmetic sequence whose first term is 23 and whose seventh term is 5?
mixas84 [53]

We have that  the fourth term of an arithmetic sequence is

a_4=14

Option C

From the question we are told

What is the fourth term of an arithmetic sequence whose first term is 23 and whose seventh term is 5?

A) 78

B) 32

C) 14

(Explain your work)

Generally the equation for the  arithmetic sequence  is mathematically given as

a_4=a_1+(n-1)d

Therefore

For seventh term

5=23+(6)d\\\\d=5-23/(6)\\\\d=-3

Therefore

For Fourth term

a_4=23+(3*(-3))

a_4=14

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brainly.com/question/23366835

4 0
3 years ago
The ratio of boys to girls who play soccer in Mr. Fraser’s class is 14:6. If there were 400students in the school, how many boys
ollegr [7]

Answer:

280

Step-by-step explanation:

Set up a ratio to solve.

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Cross multiply. 20x= 5600

Divide by 20 to solve

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