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Minchanka [31]
2 years ago
7

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? HINT: It's not D.
A. 344 and 372
B. 356 and 360
C. 341 and 375
D. 336 and 380

Mathematics
1 answer:
adelina 88 [10]2 years ago
3 0

Answer: for plato users

D. 341  and 375

Step-by-step explanation:

I just took the test

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The circumference of a circle is 47.1 feet. What is the diameter of the circle? 7.5 ft 15 ft 147.9 ft 30 ft
MAVERICK [17]
Hi Zack! Thanks for asking a question here on Brainly.

█ Explanation <span>█
</span>
<span>✦ We are looking to find the diameter of the circle.
</span>✦ Do the following formula to find the diameter.
✦ 47,1/ \pi =47.1/3.14
<span>✦ = 15 ft 
</span>
Answer: 15 ft 

<span>Hope that helps! ★ <span>If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia </span></span>
6 0
3 years ago
Read 2 more answers
Help asap! Brainliest + a lot of points! <br><br> Answer and explain!
Alborosie

The three important about the box and whisker plot is that it shows median, LIQ (Low interquartile), UIQ (Upper Interquartile), the lowest and highest number

3 0
3 years ago
Find the equation of the line that is perpendicular to y=1/2x-4 and contains the point (4,5)
boyakko [2]
Hdhhdhzhzhzj on da guys you welcome
8 0
3 years ago
Given the cost function C(x) = 0.81x + 60, 420 and the revenue function R(x) = 1.87x, find the break-even point
Viktor [21]

Answer:

x = 57,542.8571

Step-by-step explanation:

C(x) = 0.81x + 60,420

R(x) = 1.87x

At break even point, Cost function and revenue function becomes equal.

-> C(x) = R(x)

-> 0.81x + 60,420 = 1.87x

-> 60420 = 1.87x - 0.82x

-> 60420 = 1.05x

-> x = 60420/1.05

-> x = 57,542.8571

Thus, at break even point x = 57,542.8571

7 0
2 years ago
a diver is exploring the water of the great barrier reef she is currently 25 feet from the surface of the water and plans to exp
11111nata11111 [884]

Answer:

6.25

Step-by-step explanation:

she is at 25

she needs to be at 75 which means she needs 50 more feet

at 8 per minute she will reach the depth in 50/8 = 6.25 minutes or 6 minutes and 15 seconds

6 0
2 years ago
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