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qaws [65]
3 years ago
14

A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the 1000 ​respondent

s, 13​% chose chocolate​ pie, and the margin of error was given as plus or minus 4 percentage points. What values do p, q,n,E and p represents? If the confidence level is 90%, what is the value of α.
Mathematics
1 answer:
Gwar [14]3 years ago
8 0

Answer:

The answer to the given problem is given below.

Step-by-step explanation:

What values do p, q,n,E and p represents?

The value of p is the sample proportion.

The value of q is found from evaluating 1− p.

The value of n is the sample size.

The value of E is the margin of error.

The value of p is the population proportion.

If the confidence level is 90%, what is the value of α?

α = 1- 0.90

α = 0.10

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HELP NEEDED ASAP! Thanks :)
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2 years ago
What is the average of 1/2 and 1/3
nadya68 [22]

Hi there!

In order to fin the average, you need to add all the terms together and then divide the result by the number of terms :

(\frac{1}{2} + \frac{1}{3}) ÷ 2 = average


Now, I’m assuming that you know that in order to add fractions, both fractions must have the same denominator (bottom number in a fraction). Since these fractions do not have the same denominator, we must give them one.


To find the lowest common denominator (which will help us solve this problem), we must find out what 2 & 3 go into. Well, both numbers go into 6!


So, if the denominator is now 6, you must multiply the numerator (numbers about the “/” line in this case are both 1) by how much you multiplied its denominator by.


For 1/2, you multiplied 2 by 3 to get 6. Therefore, you must multiply the 1 by 3 aswell.


for 1/3, you multiplied 3 by 2 to get 6. Therefore, you must multiply the 1 by 2.


and now you have 3/6+2/6 since the denominators are the same, you can add the numerators normally which gives you 5/6


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Your answer is : \frac{5}{12}


There you go! I really hope this helped, if there's anything just let me know! :)

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3 years ago
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3 0
3 years ago
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