The downtown parking authority of tampa, florida, reported the following information for a sample of 220 customers on the number of hours cars are parked and the amount they are charged.
number of hours frequency amount charged
1 19 $ 2
2 35 8
3 44 10
4 40 16
5 34 22
6 15 24
7 3 27
8 30 29
220
a. convert the information on the number of hours parked to a probability distribution. is this a discrete or a continuous probability distribution? b. find the mean and the standard deviation of the number of hours parked. how would you answer the question: how long is a typical customer parked? c. find the mean and the standard deviation of the amount charged.

1. revising for conciseness - eliminating flabby expressions, limiting long lead-ins, and dropping unnecessary fillerstime is money in any business environment. people want information communicated quickly and clearly. to make your writing more concise and understandable, avoid flabby expressions, long lead-ins, and unnecessary fillers. your audience will appreciate your brevity.1. if your writing contains a flabby expression like in view of the fact that, replace it with the word because / although / probably .for each of the following two sentences, choose the best revision.2. i am sending you this letter to inform you that we have experienced an unexpected surprise within our expense sheet, but we are positively certain we will solve it.1) we need to inform you that we have experienced an unexpected surprise with our expense sheet, but we are midway to an end result.2) we have identified a problem with our expense sheet, but we will solve it.3) i am sending you this letter to inform you that we have a problem with our expense sheet, but we are positively certain we have a solution.3. it is the user who should contact the center.1) everyone knows that it is the user who should contact the center.2) the user should contact the center.3) if there is a problem, the user should contact the center. read the following passage, and then answer the question.[1] you scheduled seven conference calls for this morning between 10 and 11 a. m. [2] generally, the company limits the number of conference calls to three per hour. [3] i’m letting you know that in the future, we should be more careful about scheduling.4. which revision limits the long lead-in in sentence 3? 1) in the future, we should be more careful about scheduling.2) i’m letting you know so that in the future we are more careful about scheduling calls.3) so that you know in the future, we should be more careful about scheduling.

How many organs are supplied at a zero price? (b) how many people die in the government-regulated economy where the government-set price ceiling is p = 0? the quantity qd – qa. the quantity qe – qa. the quantity qd – qe. (c) how many people die in the market-driven economy?

An arithmetic progression involves the addition of the same quantity to each number. which might represent the arithmetic growth of agricultural production