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sergey [27]
3 years ago
7

In a random sample of 190 people, 151 said that they watched educational television. Find the 90% confidence interval of the tru

e proportion of people who watched educational television. Round intermediate answers to at least five decimal places. Round your final answers to at least three decimal places.
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
7 0

Answer:

(0.7465 , 0.8429 )

Step-by-step explanation:

Confidence Level - "P" values  

90% 1.645

Confidence Interval - "P" values  

(0.7465 , 0.8429 )  

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Stels [109]
The answer to the question is the first, third and fifth
4 0
3 years ago
Bicycle license plates in Flatville each contain three letters. The first is chosen from the set ({C,H,L,P,R}) the second from (
amm1812
5\cdot3\cdot4=60 - the current possible number of plates

after adding 2 letters into the 1st set:
7\cdot3\cdot4=82
after adding 2 letters into the 2nd set:
5\cdot5\cdot4=100
after adding 2 letters into the 3rd set:
5\cdot3\cdot6=90
after adding 1 letter into the 1st set and 1 into the 2nd set:
6\cdot4\cdot4=96
after adding 1 letter into the 1st set and 1 into the 3rd set:
6\cdot3\cdot5=90
after adding 1 letter into the 2nd set and 1 into the 3rd set:
5\cdot4\cdot4=80

<span>The largest possible number of plates after adding two numbers is 100.
So, </span><span>the largest possible number of additional plates is 100-60=40</span>
7 0
3 years ago
Solve the inequality and express in interval notation and graph its solution on a number line
vfiekz [6]

Answer:

x ∈ (-∞, 3) U (6, ∞).

Step-by-step explanation:

x^2> 9x - 18

x^2 - 9x + 18> 0

We use factorization and optain

(x-6)(x-3)> 0

Then, we have two critical points: x=3 and x=6. Now:

(i) for x < 3 we have that x-6 <0 and x-3 <0. Then (x-6)(x-3)  > 0.

(ii) for 3 < x < 6 we have that x -6 <0 and x -3 > 0. Then (x-6)(x-3)  < 0.

(iii) for x > 6 we have that x-6 >0 and x-3 > 0. Then, (x-6)(x-3)  > 0.

conditions (i) and (iii) satisfy the inequatliy, then the solution is x ∈ (-∞, 3) U (6, ∞).

The graph is in the picture below.

7 0
4 years ago
If the rise is 16 and the run is 8, what is the slope
Ghella [55]

Answer:

2

Step-by-step explanation:

The formula for slope is rise/run, thereforre 16 divided by 8 is 2, which is the slope.

#learnwithbrianly

#brainliestplease

7 0
3 years ago
Read 2 more answers
Divide. 6 by 3/5 PLEASE LOL
qaws [65]

Answer:

6 divided by 3/5 is 10

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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