Question
A claims processing unit uses a mix of clerks and
analysts. Budget: 60% clerks (₹200/hr), 40% analysts (₹500/hr) for 10,000 hours. Actual: 55% clerks, 45% analysts; total 9,600 hours. Compute qualitative interpretation of mix variance sign.Solution
Higher share of analysts (costlier grade) makes mix variance adverse, ceteris paribus.
If a coin is tossed repeatedly and the head appears for the first 94 times then what is the probability that the tail appears on the 95th toss?
A bag contains 5 red balls, 4 green balls, and 3 yellow balls. Two balls are drawn randomly. What is the probability that both are of the same color?
A basket contains 8 pink, 12 violet, and 5 indigo balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
A basket contains ‘x’ red apples and 12 green apples. If the probability of selecting a red apple is 2/5, then find the probability that two apples ...
In a cricket world cup the probability that India will win the cup is ¼. The Probability of Pakistan winning the cup is 1/5 and Australia winning the c...
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
Two hats are picked at random, what is the probability that one is blue and one is yellow?
A bag contains 12 blue balls, 18 red balls, and 20 green balls. One ball is drawn at random. Find the probability that the ball drawn is either blue or ...
In a box, there are 6 red balls, 8 green balls, and 10 blue balls. If one ball is drawn at random, what is the probability that the ball drawn is either...
A person wanted to visit four places Chennai, Bangalore, Delhi, and Mumbai in one trip. Find the probability of the person visiting Chennai immediately ...
