Answer: The size of sample of 193 is needed.
Step-by-step explanation:
Since we have given that
Margin of error = 6%
At 90% confidence level, z = 1.645
Let p = 0.5
and q = 0.5
( because it is the most conservative estimation).
So, using formula, we get :

Hence, the size of sample of 193 is needed.
Your tip for a bill that costs $80.50 at a 15% tip rate will be $12.06
Answer:
the second one would be the answer
Answer:
x+5
Step-by-step explanation:
A student draws a geometric shape where all of the sides are different lengths. which of the following geometric shapes could the student have drawn?
a. rhombus