Q.2935·Miscellaneous·2022·EasyConsider the following statements : 1.Dot product over vector addition is distributive 2.Cross product over vector addition is distributive 3. Cross product of vectors is associative Which of the above statements is/are correct ?View question
Q.2936·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(T | G) equal to ?View question
Q.2937·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the sum of the deviations measured from the median?View question
Q.2938·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. If the frequency of each class is doubled, then what would be the mean ?View question
Q.2939·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the mean of the marks?View question
Q.2940·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(G | T) equal to ?View question
Q.2941·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the median of the marks?View question
Q.2942·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(G ∩ T) equal to ?View question
Q.2943·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. What is the value of q ?View question
Q.2944·Miscellaneous·2022·EasyThe frequency curve (assuming unimodal) corresponding to the data obtained in an experiment is skewed to the left. What conclusion can be drawn from the curve ?View question
Q.2945·Miscellaneous·2022·EasyWhich one of the following metals is most commonly used for making filament of incandescent electric bulbs?View question
Q.2946·Miscellaneous·2022·EasyThe coefficient of correlation between ages of husband and wife at the time of marriage for a given set of 100 couples was noted to be 0.7. Assume that all these couples survive to celebrate the silver jubilee of their marriage. The coefficient of correlation at that point of time will be:View question
Q.2947·Miscellaneous·2022·EasyThe completion of a construction job may be delayed due to strike. The probability of strike is 0.6. The probability that the construction job gets completed on time if there is no strike is 0.85 and the probability that the construction job gets completed on time if there is a strike is 0.35. What is the probability that the construction job will not be completed on time?View question
Q.2948·Miscellaneous·2022·EasyThe variance of five positive observations is 3.6. If four of the observations are 2, 4, 5, then what is the remaining observation ?View question
Q.2949·Miscellaneous·2022·EasyWhat is the arithmetic mean of 50 terms of an AP with first term 4 and common difference 4 ?View question
Q.2950·Miscellaneous·2022·EasyWhat is the coefficient of mean deviation of 21, 34, 23, 39, 26, 37, 40, 20, 33, 27 (taken from mean) ?View question
Q.2952·Miscellaneous·2022·EasyThe mean and standard deviation (SD) of marks obtained by 50 students of a class in 4 subjects are given below : Which one of the following subjects shows highest variability of marks?View question