Equal to 1, and you'll just add a 4 and that will make it 4/4 and like both are the same numbers it will become 1 whole
The best statement that describes the associations between variable X and variable Y is the first option, "no association."
The probability of Erin not having a heart attack according to her family history would be 30%.
The probability of the test predicting correctly is 67%.
Therefore, the probability of the test correctly predicting that Erin will not have a heart attack would be (0.30)(0.67) = 0.201 or 20.1%.
Answer:
The correct relation between Vocabulary terms and definitions is as follow:
a. treatment → a. experimental conditions imposed on the subjects
b. observational study → a study in which data is collected without anything being done to the subjects.
c. retrospective study → d. a study in which data from the past is examine
d. experimental units → c. The people, animals or things on whom experiments are performed
e. experiment → e. a study in which a treatment is applied and responses are observed
A penny is much more smaller than a quarter therefore you need more pennies to have the same length as 6 quarters that doesn't mean that the 8 pennies is longer than the 6 quarters.