Permutations are for lists (order matters) and Combinations are for groups (order doesnt matter)
<span>379 times 8 is 3032. This result, 3032 is between 3031 and 3033, so the answer is that the exact product of 379 and 8 is between 3031 and 3033.</span>
Answer:
D,
Step-by-step explanation:
the volume of a sphere is 4/3πr^3
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.