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Nataliya [291]
3 years ago
7

A store randomly samples 603 shoppers over the course of a year and finds that 142 of them made their visit because of a coupon

they'd received in the mail. Construct a 95% confidence interval for the fraction of all shoppers during the year whose visit was because of a coupon they'd received in the mail.
Mathematics
1 answer:
Lelu [443]3 years ago
7 0
468.1 shoppers visited because of a coupon
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CAN SOMEONE PLEASE HELP MEEEE
Sladkaya [172]

Answer:

a)  and e)

Step-by-step explanation:

7 * 1/2 = 3.5

3.5 / 2 = 1.75

? = 1.75

a) 2 * 1.75 = 7 * 1/2 (correct!)

b) 7 * 1/2 * 1.75 = 2 (wrong!)

c) 2 * 7 * 1/2 = 1.75 (wrong!)

d) 1.75 * 7 * 1/2 = 2 (wrong! this is the b) backwards)

e) 1.75 * 2 = 7 * 1/2 (correct! this is the a) backwards)

7 0
3 years ago
(5x3 + 3x2 - 5x + 4)
yKpoI14uk [10]

Hello there i hope you are having a great day :) Your question : (5x3 + 3x2 - 5x + 4) Answer : 5x^3 + 3x^2 - 5x +4

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8 0
4 years ago
Determine the degree of the polynomial:<br><br> 7m^6n^5
polet [3.4K]

9514 1404 393

Answer:

  11

Step-by-step explanation:

The degree of the given monomial is the sum of the exponents of the variables.

  m has degree 6

  n has degree 5

The degree of the monomial is 6+5 = 11.

6 0
3 years ago
You can buy DVDs at a local store fro $15.49 each. You can buy them at an online store for $13.99 each plus $6 for shipping. How
bonufazy [111]
The amount to pay for 6 CDS from Best Buys is... 
<span>C = 15.49N </span>
<span>= 15.49 X 6 </span>
<span>= $92.94 </span>
<span>The amount to pay for 6 CDS from Online Store is... </span>
<span>C = 13.99N + 6 </span>
<span>= 13.99 X 6 + 6 </span>
<span>= $89.94 
so ity shows that online you have benifit to purchase </span>
6 0
3 years ago
Of 75is90 =120 true or false
Mariana [72]

Answer:

False

Step-by-step explanation:

8 0
3 years ago
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