Answer: b. 1/2.
Step-by-step explanation: 3/7 in decimal form is 0.42, which is close to 1/2 (0.5) than to 0.
Answer:135
Step-by-step explanation:
Answer:4\left(1-4r\right)+5\left(r-7\right)=-11r-31
Answer The sample must represent the target population.
