Chapter 15 Probability Ex 15.2 Question 1. Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop...
Chapter 15 Probability Ex 15.1 Question 1. Complete the following statements: (i) Probability of an event E + Probability of the event ‘not E’ = ……… (ii) The probability of an event that cannot happen is ……… Such an event is called ……… (iii) The probability of an...
Chapter 14 Statistics Ex 14.4 Question 1. The following distribution gives the daily income of 50 workers of a factory. Convert the distribution above to a less than type cumulative frequency distribution, and draw its ogive. Solution: Question 2. During the medical...
Chapter 14 Statistics Ex 14.3 Question 1. The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the median, mean and mode of the data and compare them. Solution: Question 2. If the median of the...
Chapter 14 Statistics Ex 14.2 Question 1. The following table shows the ages of the patients admitted in a hospital during a year. Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency. Solution: For Mode: For...
