a) Regression equations in two variables X and Y are 3X + 2Y - 26 = 0 and 6X + Y - 31 = 0 . i. Find the mean values of X and Y. ii. Find two…
Class 12 Business Mathematics · 2079 · Solved Question with Answer
a) Regression equations in two variables X and Y are 3X + 2Y - 26 = 0 and 6X + Y - 31 = 0.
i. Find the mean values of X and Y.
ii. Find two regression coefficients.
b) In a season, 70% visitors went to travel Janakpur and 30% visitors to Lumbini. It is estimated that 35% Janakpur visitors and 65% Lumbini visitors are Nepali. A visitor is selected at random and found to be Nepali.
i. What is the probability that the visitor is Janakpur visitor?
ii. What is the probability that the visitor is Lumbini visitor?