
what is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each

TOTAL NUMBER OF ARTICLE= 7
ARTICLES FOR 30K = 3
ARTICLES FOR 12.5K = 7-3= 4

Average cost of 7 articles




Answer:
4
Step-by-step explanation:
3/3= 1 => 1 * 4 +4
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Answer:
D, the observed frequency of landing heads up gets closer to the expected frequency based on the probability of the coin landing heads up.
Step-by-step explanation:
As of now, the observed frequency states that the coin will land on heads 4/12 times. The expected frequency states that the coin will land on heads 50% of the time, or 6/12 times. As the number of trials increases, the observed frequency will get closer to the expected frequency.