1 (a); A property advisor in a city claims that around 75 percent of his customers are satisfied from his services to provide suitable accommodation. If on a specific event, 6 customers come to him independently and find their probability that less than 4 customers, exactly 4 customers and at least 5 customers will grab suitable accommodation? (b); the death probability of a woman with age is fifty years is 0.01125677. Obtain the probability of twelve such women at least eleven will reach their 51st birthday? book Probability and statistics for engineers and scientist Ninth edition chapter 5 and 6.please solve both parts