Answer: For these 1,151 residents in 2010, we are 95% confident that the average number of days of "not good" mental health is between 3.40 and 4.24 days.
Step-by-step explanation: The survey 95% confidence interval is (3.4,4.24) days in a population of 1,151. What it means is General Social Survey is 95% confident the true mean of days residents are with mental health "not good" is between 3.4 days and 4.24 days.
Step-by-step explanation:
A=a+b/2 *h
= 5+11/2*4
32
Answer:Force=30N
Step-by-step explanation:Torque of a force on the handle= Torque of weight on the axle.
Torque is the magnitude force that acts perpendicular.
3.5 ×180=21×Force
Force= 3.5×180 /21
Force=630/21
Force=30N
Answer:
a) y>-4
Step-by-step explanation:
Isolate the variable.
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