number 8 is C i think
Answer:
x=− 2/3 =−0.667
x=4
Step-by-step explanation:
Answer step-by-step explanation:
We know that the critical t value for a 98% confidence level for a sample of size n = 18:
Finding degrees of freedom (n-1) = 17
-search the information in table t for 0.98 and find that t = 2.567