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ella [17]
2 years ago
11

There is a new treatment to help smokers stop smoking in an experiment, 80% of 300 smokers quit after 10 days of treatment which

of the following is the 95% confidence interval?
(0.7547, 0.8453)
(8096, 08904)
(08048 08952)
(0.749,0 851)
Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
6 0

Answer:

(0.755, 0.845)

Step-by-step explanation:

I got it right, on the test so trust me!

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0.05% of 40 help please
ohaa [14]
0.05% of 40 is 0.02 

Divide your decimal by 100:
0.05 \div 100 = 0.0005

Multiply your decimal with 40:
0.0005 \times 40 = 0.02
3 0
3 years ago
Two way table’s , bar graphs and segmented bar graphs are useful for displaying what kind of data?why?
NeX [460]

Step-by-step explanation:

Statisticians use two-way tables and segmented bar charts to examine the relationship between two categorical variables.

5 0
2 years ago
(Who ever Answers the question for this lil guy> ʕ •ᴥ•ʔ, Gets brainliest!!)
Valentin [98]

Answer:

Once upon a time i was on brainly. I was asked to make a story and solve 15 divided by 1/9 so thats what this is :D Obviously I would do better stories on topics not math related but I thought it would do. I Used 15x1/9 to solve the equation and my helpful calculator UvU Thats when I got the ugly number of 1.66666667 as my answer I was annoyed but it would have to do. I finished typing these last words and submitted Hoping that i would get brainliest and give it away UvU

Step-by-step explanation:

8 0
3 years ago
Which can holds more an American beer can measuring 6.5cm in diameter by 14.1cm high or an European beer can measuring 5.2cm in
inn [45]

Answer:

European can holds more, Volume is approx 159π

American can, Volume is approx 149π

Step-by-step explanation:

V(cyl) = π · r² · h

6 0
3 years ago
y varies jointly as x and z, and y = 32 m, x = 6 m, and z = 8 m. What is the value of y when x = 5 m and z = 12 m
Fantom [35]
We are given y = kxz
We also know 32 = k×6×8, so k = 32/48 = 2/3.
We are then asked to solve:

y =  \frac{2}{3}  \times 5 \times 12 = 40
3 0
3 years ago
Read 2 more answers
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