Answer:
Step-by-step explanation:
1. Convert mixed number to improper fraction and divide.
2. Use a calculator.
Your answer is healthcare insurance
Answer: a popcorn is $9
Step-by-step explanation:
soda is $6
Answer:
3.4-1.85 = 1.55 3.4+1.55=4.95
Step-by-step explanation:
Basically degrees of freedom are related to sample size (n-1). If the df increases, it also stands that the sample size is increasing; the graph of the t-distribution will have skinnier tails, pushing the critical value towards the mean.
