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mr Goodwill [35]
3 years ago
8

I NEED AN MATH EXPERT ON THIS..Ill give brainless and extra points​

Mathematics
1 answer:
abruzzese [7]3 years ago
8 0
I think it’s 90% cuz it’s 45/50 therefore 90/100
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neonofarm [45]

Answer:

5. 14

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7. 40

8. 10

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10. 21

Step-by-step explanation:

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3 years ago
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In a sample of 1000 randomly selected consumers who had opportunities to send in a rebate claim form after purchasing a product,
Vadim26 [7]

Answer: 0.2872

Step-by-step explanation:

Given : In a sample of 1000 randomly selected consumers who had opportunities to send in a rebate claim form after purchasing a product, 260 of these people said they never did so.

i.e. n= 1000 and x= 260

⇒ Sample proportion : \hat{p}=\dfrac{260}{1000}=0.26

z-value for 95% confidence interval : z_c=1.960

Now, an upper confidence bound at the 95% confidence level for the true proportion of such consumers who never apply for a rebate. :-

\hat{p}+ z_c\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

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∴ An upper confidence bound at the 95% confidence level for the true proportion of such consumers who never apply for a rebate : 0.2872

7 0
3 years ago
Matrix fractions 1/2+2/6. I don't understand the steps in this.​
Effectus [21]

Answer: 5/6

Step-by-step explanation:

You have to multiply the denominator and numerator by 3 to get the same denominato. Then you ONLY add the numerator. 3/6 + 2/6 = 5/6.

5 0
3 years ago
The equation represents an ellipse.
Tom [10]

Answer:

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Step-by-step explanation:

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aleksklad [387]

Answer:

f(x)\neq g(x)

when ~x=3

So, the ~third~ option~is ~your~ answer

<h3>-----------------------</h3><h3>hope it helps...</h3><h3>have a great day!!</h3>
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3 years ago
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