Answer: 1.303639
Step-by-step explanation:
The t-score for a level of confidence 
is given by :_
, where df is the degree of freedom and 
is the significance level.
Given : Level of significance : 
Then , significance level : 
Sample size : 
Then , the degree of freedom for t-distribution: 
Using the normal t-distribution table, we have
Thus, the t-score should be used to find the 80% confidence interval for the population mean =1.303639
I assume you meant to write 5^c = 125. The equivalent logarithmic expression for this would be ㏒₅125=c.
Answer:
X= 6!
Step-by-step explanation:
7 is half of 14
6 is half of 12
Have a great day!
Simplify the given expression as shown below
<h2>Therefore, the answer is 12x^5-15x^2</h2>
Answer:-5
Step-by-step explanation:
