Answer: 1.300228
Step-by-step explanation:
We know that the t-score for a level of confidence is given by :_
, whre df is the degree of freedom and is the significance level.
Given : Level of significance :
Then , significance level :
Since , sample size :
Degree of freedom for t-distribution:
With the help of the normal t-distribution table, we have
Hence, the t-score should be used to find a 80% confidence interval estimate for the population mean = 1.300228
Answer:
20 cups of Oats for 12 cups of Almonds
Step-by-step explanation:
If the cups of almonds increased by 3 each time, then the cups of oats will increase by 5. 6 cups of almonds will have 10 cups of oats.
Answer: 143.75 yd
Step-by-step explanation:
Answer:
$14.42
Step-by-step explanation:
Price of Album - $17.00 * .20 = 3.4 (this is the discount)
Then subtract 3.40 from 17.00 to get 13.60
Add the sales tax in by doing $13.60 * 0.06 = $0.82
Add that to the 13.60 to get $14.42 for the total after discount and after tax.
Well, if you're following PEMDAS (Parentheses, Exponents, Multi/Div, Add/Sub), yes, first you would multiply 4x2, then since it's all adding and subtracting, you would go left to right, so if I'm right..
5-8+8-1 is the equation you'd need. So..
5-8=-3 -3+8=5-1=4. If I'm right, then 4 is your total. Hope that helped!