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polet [3.4K]
2 years ago
8

A fashion designer wants to know how many new dresses women buy each year. A sample of 683 women was taken to study their purcha

sing habits. Construct the 95% confidence interval for the mean number of dresses purchased each year if the sample mean was found to be 4.6. Assume that the population standard deviation is 2. Round your answers to one decimal place.
Mathematics
1 answer:
Ulleksa [173]2 years ago
8 0
The answer is I don’t know sorrry
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(3x²+4x-1) + (-2x²-3x+2)
Vedmedyk [2.9K]

Answer:

(3x²+4x-1) + (-2x²-3x+2)

3x²+4x-1 -2x²-3x+2

3x²-2x²+4x-3x-1+2

x²+x+1

5 0
3 years ago
Read 2 more answers
The area of a triangle is 30 square feet. If<br> the base is 4 feet, then what is the height?
ExtremeBDS [4]
Height=15

Explanation:
Area of a triangle= 1/2base x height
Plug in information
30=1/2 x 4 x h
Solve 1/2 x 4 = 2
30= 2 x h
Divide both side by two
30/2=2 x h/2
Solve:
15= h
6 0
3 years ago
The polygons below are similar. Find the value of y.<br> 4.5 <br> 12<br> 16<br><br> Guess: 16
elena55 [62]
<span>I believe its 4.5 
I could be wrong though</span>
8 0
3 years ago
The following graphs show the sampling distributions for two different point estimators, R and W, of the same population paramet
Sidana [21]

The graphs are illustrations of biased and unbiased distributions.

The true statement is (d) R is biased, and W is unbiased

<h3>How to determine which of the graph is biased</h3>

From the graph, we have the following highlight

  • The population parameter of graph R is at the right of the distribution
  • The population parameter of graph W is at the center of the distribution

The above means that:

Graph R is biased, and graph W is unbiased

Read more about biased distributions at:

brainly.com/question/26415101

7 0
2 years ago
The population of Groverdale is
wolverine [178]

Answer: Yes alaina is correct

Step-by-step explanation: first look at the populations

553,000

535,841    

Tittlehook has a 3 in the ten thousands place whilst groverdale has a 5 in the thousands place.

Hope this helps :)

6 0
3 years ago
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