Answer: 554
Step-by-step explanation:
Formula we use to find the sample size :

Given : Standard deviation : 
Margin of error : E=one quarter hour = 0.25 hour
Two-tailed , Critical value use for 0.95 degree of confidence:
i.e. 
Hence, the required sample size = 554
i.e. 554 executives should be surveyed.
Answer:A,D,E
Step-by-step explanation:
Just did the assignment
2/12 because of April and August but in simplest form it would be 1/6
the equation of the line is y = 3.
the slope of the line is 0.
the y-intercept is 3, so plug it into the slop-intercept-form equation:
y = mx + b
y = 0x + 3
y = 3
hope this helps!