Answer:
Step-by-step explanation:
y = mx + b.y = 15/13x − 10/13
The answer you want is going to be A.
Hope it helps.
Answer:
The approximate probability is 
Step-by-step explanation:
From the question we are told that
The population proportion of Americans that say the average person is not considerate of others when talking on a cellphone is p = 0.51
The sample size is n = 100
Generally because the sample size is sufficiently large the mean of this sampling distribution is

Generally the standard deviation is mathematically represented as

=> 
=> 
Generally the sample proportion is mathematically represented as

=> 
Generally the probability that 52 or more Americans would indicate that the average person is not very considerate of others when talking on a cellphone is mathematically represented as


=> 
From the z table the area under the normal curve corresponding to 0.2 to the right is

Answer:
YWZ is a right angle and XW = WZ is correct
It will take approx.65 of caffeine remaining after 6 hours