Answer:
2.7
Step-by-step explanation:
2.7 is not a whole number because it has a decimal behind it. All of the other numbers are whole because they do not.
Answer:
1.691
Step-by-step explanation:
Standard error of the mean is expressed as SEM = S/√n
S is the population standard deviation
n is the sample size (number of observation)
Given S = 27 and n = 255
SEM = 27/√255
SEM = 27/15.97
SEM = 1.691
Hence the standard error of the mean is 1.691
Answer:
<em>Probability ≈ 0.0714</em>
Step-by-step explanation:
Consider permutation and combination;

B: y=3x-1 because the slope is 3 and passes thru y axis at -1