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scoray [572]
3 years ago
9

The number of miles USC employees commute to campus is normally distributed. To estimate the mean of this distribution, four emp

loyees were sampled. They had a mean commute of 10 miles and a standard deviation of 2 miles. What is the margin of error for the 90 percent confidence interval for the population mean? Round your answer to three decimal places.
Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0
Yfiyfidy. It’s soot ioydotdi




It’s Bc. H. Dey h. Yes so I’m hehe what crazy now
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Pls write down your reaction to the algebraic magic trick note I already did it I just need your reaction and pls no links also
valentinak56 [21]
Hdbbsnaknabdbdjrnwkqonf fnjfjkew
4 0
2 years ago
Determine whether the underlined value is a parameter or a statistic. In a national survey on substance abuse comma Modifying 66
Iteru [2.4K]

Answer:

Parameter                                                                                

Step-by-step explanation:

Parameter and statistic:

  • Parameter is a numerical value that describes a population.
  • A sample is a part of the population and always smaller than the population.
  • The statistic is a numerical value that describes a sample.

Population of interest:

College students aged 18 to 22

Parameter:

66.4% reported using alcohol within the past month

Thus, the given is a parameter as it describes a population proportion.

4 0
3 years ago
The perimeter of a rectangular swimming pool is represented by the expression 8x – 2.
sineoko [7]

Im pretty sure your answer would be D, 6x

but tell me if im wrong.

5 0
3 years ago
I dont get how to solve this?
Alex

Answer:

Step-by-step explanation:

In standard form this could be rewritten as | b - 0 | > 6, which in words, says,

"b is greater than 6 units away from 0 on a number line".  If b is greater than 6 units away, both positive 6 and negative 6 are 6 units away from 0.  Because the values we need are greater than 6 units away from 0, we are starting at both 6 and -6 and moving away from 0.  

The "greater than" symbol indicates that this is a disjunction so the word "or" is used as opposed to in a conjunction where the word "and" is used.

Therefore, our solutions are

b < -6 or b > 6, the 3rd choice down

5 0
3 years ago
7,5 move 4 units left and 1 unit down
Svet_ta [14]

Answer:

(3,4)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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