A sales executive marketed 84 items in a week on an average with a standard deviation of 18. Find the coefficient of variation:
A19.05
B21.43
C23.81
D17.86
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There are 50 mangoes in a basket, 20 of which are unripe. Another basket contains 40 mangoes, with 15 unripe. If we take one mango from each basket, what is the probability of both being unripe?
മധ്യാങ്കം ഏതു തരാം മാനമാണ് ?
ഒരു ബൈനോമിയൽ വിതരണത്തിന്റെ മാധ്യം 6 ഉം വ്യതിയാനം 5 ഉം ആണ്. p(x=1) കണക്കാക്കുക.