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Vikki [24]
3 years ago
11

Swapna gathered data on the number of page views for each of her blog posts. For her 40 latest posts, she found a sample mean of

358 with a population standard deviation of 54.3. What is the approximate 95% confidence interval for her page views? A.
344 and 372
B.
341 and 375
C.
356 and 360
D.
336 and 380
Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
8 0

Answer:

c

Step-by-step explanation:

galben [10]3 years ago
7 0

Answer

Its not c

Step-by-step explanation:

You might be interested in
Find the slope passes through (-5,2) and (3,3)
kykrilka [37]
Answer:

1/8

Explanation:

y2-y1/x2-x1

3-2/3-(-5) = 1/8
5 0
3 years ago
Please answer ASAP. 10 points. Mathematics
frosja888 [35]

okay so you would fill this in as

Y=(275x36)+800

this would then go to

y=10700-400

so the answer is 10300

hope this helps! enjoy!

4 0
3 years ago
Can someone plz help me?
Sav [38]

Answer:

The first graph

Step-by-step explanation:

-2a - 5 > 3

-2a > 8

a < -4 (when divided by a negative number, the inequality sign will be flipped)

Therefor the first graph shows the solutions

4 0
4 years ago
Bryan wants to purchase a skateboard. He has $50 to spend. he finds one that regularly sells for $70.00 and is on sale for 40% o
Maksim231197 [3]

Bryan has enough to buy skateboard as it will cost $44.94

Step-by-step explanation:

Original price = $70.00

Discount = 40%

Amount of discount = 40% of original price

Amount of discount = \frac{40}{100}*70

Amount of discount = \frac{2800}{100}

Amount of discount = $28

Price after discount = Original price - amount of discount

Price\ after\ discount=70-28 = $42\\

Sales tax = 7% = \frac{7}{100} = 0.07

Sales tax amount = Price after discount (0.07)

Sales\ tax\ amount= 42(0.07) = $2.94\\

Price of skateboard = Price after discount + sales tax

Price of skateboard = 42+2.94 = $44.94

Bryan has enough to buy skateboard as it will cost $44.94

Keywords: sales tax, subtraction

Learn more about subtraction at:

  • brainly.com/question/4361464
  • brainly.com/question/4390083

#LearnwithBrainly

5 0
3 years ago
What are the solutions to the equation x² = 625?
Hoochie [10]
The correct answer would be B. Because if you multiply -25 * -25 (because the x has 2 to the second power) the answer would be 625 :)
Hope I helped.
6 0
3 years ago
Read 2 more answers
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