Answer:
The survey is meaningless because of nonresponse bias.
Step-by-step explanation:
The sample who responded (567) is less than half of Hayden's blog readers (1200). So, in this case, the results were really invalidated, because of the great absence of response, and the survey cannot be taken seriously at least statistically speaking.
567---100
x------35
x≈199 people said No
y= 368 said yes
Your answer is d :)
the slash means to divide
Answer:
C
Step-by-step explanation:
it makes sense yah?
The cost of a visit is 50 + 100n where n is the number of cavities found. Since 2 cavities were found, simply plug in 2 for n.
50 + 100(2) = 50 + 200 = $250 (assuming the currency is US Dollars)
Answer:
8/45
Step-by-step explanation:
