Answer:
Option is right
Step-by-step explanation:
Given that bella want to know what the students at her school think of her show. which is the BEST group to survey to find this information
For getting accurate results she must select a random sample without bias
For this option a will not serve since she selects only students she recognizes.
Option B may not be right, as during show on the face they may not give correct opinion
C is right as a random sample is taken
D is wrong as the first 30 students may not be at random.
So option C is right
Answer:
D
Step-by-step explanation:
6% of 40 is 2.4, 40.00+ 2.40=42.40
The top of “^” needs a number to solve it.
Answer:
Step-by-step explanation:
First you need to find the price for one binder. If 2 binders cost 4.36 you have to divide by 2 to find the price for 1. You should get 2.18. Then you have to see how many times you can multiply 2.18 without having the product go over 2.18. 2.18 • 22 = 47.96, the number closest to 50 without going over. Therefore, she can buy 22 binders.
