What is the main advantage of using e-mail to complain about a service or product?

At a small store, a customer enters the front door on average every 8 minutes. a prior study indicated that the time between customers entering the front door during weekdays follows an exponential distribution. what is the probability that the time between customers entering the store on a weekday will be less than or equal to 7? select one: a. 62 b. 43 c. 1/8 d. 7/8 e. 58

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."

This problem has been solved! see the answerthe xyz corporation is interested in possible differences in days worked by salaried employees in three departments in the financial area. a survey of 23 randomly chosen employees reveals the data shown below. because of the casual sampling methodology in this survey, the sample sizes are unequal. research question: are the mean annual attendance rates the same for employees in these three departments? days worked last year by 23 employees department days worked budgets (5 workers) 278 260 265 245 258 payables (10 workers) 205 270 220 240 255 217 266 239 240 228 pricing (8 workers) 240 258 233 256 233 242 244 249 picture click here for the excel data filefill in the missing data. (round your p-value to 4 decimal places, mean values to 1 decimal place and other answers to 2group mean n std. dev variancesbudgets payables pricing total one factor anova source ss df ms f p-value treatment error total