Answer:
c = sqrt(11)
Step-by-step explanation:
We can use the pythagorean theorem to calculate the length of the hypotenuse.
c^2 = a^2 +b^2 where a and b are the legs and c is the hypotenuse
c^2 = 3^2 + (sqrt(2))^2
c^2 = 9 + 2
c^2 =11
Take the square root of each side.
sqrt(c^2) = sqrt(11)
c = sqrt(11)
Answer:
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Step-by-step explanation:
I think it’s 8 sorry if the answer is wrong
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.
A) systematic
B) cluster
C) stratified
D) convenience
E) random
If you need explanation, just let me know!
