BINOMIAL DISTRIBUTION ADDITIONAL EXAMPLES: For the following problems, check whether the 5 condition of Binomial Distribution are satisfied or not (wherever possible) and also find the mean and variance for each problem. 1. The manufacturer of a bag of sweets claims that there is a 90% chance that the bag contains some toffees. If 20 bags are chosen. What is the probability that (i) all the bags contain toffees (ii) more than 18 bags contain toffees 2. In clinical trials a certain drug has an 8% success rate of curing a known disease. If 15 people are known to have the disease. What is the probability of at least 2 being cured