Answer:
89.75
Step-by-step explanation:
Subtract $26 from the grand total which was $205.50 and get 179.50
You then divide 179.50 into 2 and get 89.75
Answer:
Step-by-step explanation:
we know that
The circumference of a circle is equal to
we have
assume
substitute the values and solve for r
Answer:
C. becomes narrower
Step-by-step explanation:
If the confidence level is reduced from 95% to 90%, then, the confidence interval for u becomes narrower, i.e., we are less sure that the true value of u is contained inside the new interval. With a 95% confidence interval there is a probability of 0.95 that the parameter u is inside the interval and with a 90% confidence interval there is a probability of 0.90 that the parameter u is inside the interval.
The answer is 10.6 units .....