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iogann1982 [59]
3 years ago
10

a study examined the effectiveness of an ear molding technique used to correct ear deformities in newborns without the need for

surgery. a plastic mold was placed around the deformed ear shortly after birth for about 2 weeks. the study reports that 152 of 158 procedures were successful. what is the sample proportion of successful procedures
Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

The sample proportion of successful procedures is 0.962.

Step-by-step explanation:

The sample proportion of successful procedures is the number of successfiç procedures divided by the total number of procedures.

In this problem:

158 procedures, of which 152 were successful. So

p = 152/158 = 0.962

The sample proportion of successful procedures is 0.962.

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Tell whether the following equations are true or false. Then, explain your reasoning.
lorasvet [3.4K]

Answer and explanation:

Given : Equations

1) x + 6g-6g = x

2) 2f-4e + 4e = 2f

To find : Tell whether the following equations are true or false. Then, explain your reasoning.

Solution :

Equation means when left hand side and right hand side of the equation is same.

1) x + 6g-6g = x

Take LHS,

LHS=x + 6g-6g

Same term with opposite sign cancel each other or sum is zero,

LHS=x

LHS=RHS

Therefore, Yes, it is true as it satisfy definition of equation.

2) 2f-4e + 4e = 2f

Take LHS,

LHS=2f-4e + 4e

Same term with opposite sign cancel each other or sum is zero,

LHS=2f

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Therefore, Yes, it is true as it satisfy definition of equation.

4 0
4 years ago
Good evening can I get help please?​
Anarel [89]

Answer:

Yes.

Step-by-step explanation:

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3+5=8

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5+13=18

An odd number is an even number plus 1, and 1 plus 1 is an even number. even numbers added together are also always even numbers, so two even numbers (in the second example it'd be 2+1 & 4+1, so 2 and 4) plus an even number(1+1=2) must be an even number.

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4 years ago
1 and 3/8 improper fraction
irinina [24]

Answer:

As a improper fraction 1 3/8 is 11/8

Step-by-step explanation:

multiply 8 by 1 to get 8

then you add  3 to 8 to get 11

and you keep the denominator

giving you 11/8

Hope this helps

Have a great day!

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SpyIntel [72]

Answer:

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Step-by-step explanation:

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3 years ago
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Vinil7 [7]
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3 years ago
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