Q.10207·Miscellaneous·2015·EasyAn insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck drivers. The probabilities of an accident involving a scooter driver, car driver and a truck driver are 0.01, 0.03 and 0.15 respectively. One of the insured persons meets with an accident. The probability that the person is a scooter driver isView question
Q.10208·Miscellaneous·2015·EasyA problem in statistics is given to three students A, B and C whose chances of solving it independently are 1/2, 1/3 and 1/4 respectively. The probability that the problem will be solved isView question
Q.10209·Miscellaneous·2015·EasyA bag contains 4 white and 2 black balls and another bag contains 3 white and 5 black balls. If one ball is drawn from each bag, then the probability that one ball is white and one ball is black isView question
Q.10210·Miscellaneous·2015·EasyAn unbiased coin is tossed until the first head appears or until four tosses are completed, whichever happens earlier. Which of the following statements is/are correct ? 1. The probability that no head is observed is 1/16. 2. The probability that the experiment ends with three tosses is 1/8. Select the correct answer using the code given below :View question
Q.10211·Miscellaneous·2015·EasyThe arithmetic mean of 1, 8, 27, 64, … up to n terms is given byView question
Q.10212·Miscellaneous·2015·EasyA coin is tossed five times. What is the probability that heads are observed more than three times ?View question
Q.10213·Miscellaneous·2015·EasySeven unbiased coins are tossed 128 times. In how many throws would you find at least three heads ?View question
Q.10214·Miscellaneous·2015·EasyIf mean and variance of a Binomial variate X are 2 and 1 respectively, then the probability that X takes a value greater than 1 isView question
Q.10215·Miscellaneous·2015·EasyThree digits are chosen at random from 1, 2, 3, 4, 5, 6, 7, 8 and 9 without repeating any digit. What is the probability that the product is odd ?View question
Q.10217·Miscellaneous·2015·EasyIn Egypt, ancient mummies can be found to have their arteries intact due to well preserved:View question
Q.10221·Miscellaneous·2015·EasyThe alkali metals have relatively low melting point. Which one of the following alkali metals is expected to have the highest melting point?View question
Q.10222·Miscellaneous·2015·EasyWhich one of the following is useful in paper manufacturing industry?View question
Q.10223·Miscellaneous·2015·EasyThe order and degree of the differential equation of parabolas having vertex at the origin and focus at (a, 0) where a > 0, are respectivelyView question
Q.10224·Miscellaneous·2015·EasyThis question consists of a sentence with an underlined/bold word followed by four words. Select the word that is opposite in meaning to the underlined/bold word and mark your response in your Answer Sheet accordingly. The proposal was denounced by one and all.View question