Answer:
The confidence level is 95% or 0.95.
Step-by-step explanation:
Consider the provided information.
Results of a poll stated that 40% of U.S.
If you want to test the claim at alpha = 0.05.
As we know:
Confidence level = 1 - significance level ()
Confidence level =
Confidence level =
Therefore, the confidence level is 95% or 0.95.
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Hello! The mark down is 12.5%, which means that will still have to pay a portion of the price. Mark down is a discount, where the price of the item goes down. To find the amount that needs to still be paid, subtract 12.5 from 100. 100 - 12.5 is 87.5 You still have to pay 87.5% of the price. Now, let's multiply that number by 32 to get the new price. 32 * 87.5% (0.875) is 28. There. The retail price is $28.
Step-by-step explanation:
2p-3p= 3+2
-p=5
p=-5
another
6x-2-35x-28=18x-27
6x-35x+18x=-27-28+2
13x=53
x=53/13