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AleksAgata [21]
3 years ago
12

I live - Villal

Mathematics
1 answer:
erik [133]3 years ago
3 0

Answer:

-8x+10

Step-by-step explanation:

The expression is: -2(3x+x-5)

Step 1: Using order of operations, combine like terms

-2(4x-5)

Step 2: Distribute -2 to each term in the  parentheses:

-8x+10

Hence, the simplified expression is:

-8x+10

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In a survey of 2264 adults, 729 say they believe in ufos. construct a 95 confidence interval for the population proportion of ad
Andreyy89

90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the giver confidence interval [ 0.3026, 0.3348 ].

Here, we have given:

Number of adults (n) = 2272

Number of adults who believe in UFO (x) = 724

Sample proportion (p) = x/n

p = 724 / 2272

p = 0.3187

now, let q = 1 - p

q = 1 - 0.3187

q = 0.6813

Confidence level → 90%

The 90% confidence interval for population proportion is

[ p - 1.645\frac{\sqrt{pq} }{\sqrt{n}} ,p + 1.645\frac{\sqrt{pq} }{\sqrt{n}} ]

where 1.645 is Zac value at 90% confidence level.

p - 1.645\frac{\sqrt{pq} }{\sqrt{n}}  = 0.3187 - 0.0161 = 0.3026

p + 1.645\frac{\sqrt{pq} }{\sqrt{n}} = 0.3187 + 0.0161 = 0.3348

90% confidence interval for the population proportion is

[ 0.3026, 0.3348 ]

Hence, With 90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the giver confidence interval [ 0.3026, 0.3348 ]

Learn more about " Population Proportion " from here: brainly.com/question/15087042

#SPJ4

5 0
1 year ago
First person to answer 10 points
Assoli18 [71]
It’s the third one. Hopefully this helped
8 0
3 years ago
24 to 16 simplest form
faltersainse [42]
24:16 in simplest form, is.... 3:2   3 to 2
6 0
3 years ago
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Help me now i dont know
denis23 [38]

Answer:

-2 is Greater than -4

Step-by-step explanation:

-4 is more Negative, therefore it’s considered as Less than -2.

If u Consider the Number Line,

negative numbers(Left), 0, Positive Numbers(right)

The number on the right side is more greater than on the Left

-2 is greater because it’s nearer positive values

Therefore -2 is Greater than -4

5 0
3 years ago
Read 2 more answers
Need Help ASAP on this question
marta [7]

Step-by-step explanation:

1250 - 8 \times 82 =  \\  = 1250 - 656 =  \\  = 594

7 0
3 years ago
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