Answer:
4 x 5
Step-by-step explanation:
Answer:
32
Step-by-step explanation:
add
Answer:
are you looking for example?
Step-by-step explanation:
If so,
X + 3 = 7
Answer: round it up to 5
Step-by-step explanation:
2/3 time 7 = 14/3
14/3= 4.6
if the number after the decimal is above 5 you may round up
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