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Overdraft fees from some of the largest banks range from $9 to $39. Consumers believe these charges are annoying and excessive, but the fees generate huge revenue for banks, $34.3 billion in 2017. The Overdraft Protection Act of 2013 is designed to limit overdraft fees in a variety of ways and to require fees to be reasonable and proportional to the amount of the overdraft. Let X be the amount of an overdraft fee for a randomly selected bank. The probability distribution for X is given in the table. x'lOlZ 15 20 25 27 30 35 33 p(x)'0.020.060.080.100.160.280.150.070.08 Find the mean ,u, variance 0'2, and standard deviation 0' of the overdraft amount. (Use decimal notation. Give your answers to four decimal places if necessary.) Overdraft fees from some of the largest banks range from $9 to $39. Consumers believe these charges are annoying and excessive, but the fees generate huge revenue for banks, $34.3 billion in 2017. The Overdraft Protection Act of 2013 is designed to limit overdraft fees in a variety of ways and to require fees to be reasonable and proportional to the amount of the overdraft. Let X be the amount of an overdraft fee for a randomly selected bank. The probability distribution for X is given in the table. x'101215 20 25 27 30 35 38 p(x)'0.020.060.030.100.160.280.150.070.08 Find the probability that a randomly selected bank has an overdraft fee greater than $25. (Use decimal notation. Give your answer to two decimal places.) 46 of 82 Questions Assignment Score: 52.1% Resources Ly Give Up? Check Answer 40 Question 0% Side-by-Side 0 of co Attempts Overdraft fees from some of the largest banks range from $9 Find the probability that a randomly selected bank has an 41 Question 0% to $39. Consumers believe these charges are annoying and overdraft fee less than u - o. 0 of co Attempts excessive, but the fees generate huge revenue for banks, $34.3 billion in 2017. The Overdraft Protection Act of 2013 (Use decimal notation. Give your answer to two 0% is designed to limit overdraft fees in a variety of ways and to decimal places.) 42 Question 0 of co Attempts require fees to be reasonable and proportional to the amount of the overdraft. Let X be the amount of an overdraft fee for a 43 Question 90% randomly selected bank. The probability distribution for X is probability: 3 of co Attempts Correct given in the table. 44 Question 0% x 10 12 15 20 25 27 30 35 38 0 of co Attempts p(x) 0.020.060.080.100.160.280.150.070.08 45 Question 0% 0 of co Attempts 46 Question 0% 0 of . Attempts 47 Question 0% 0 of co Attempts 48 Question 95% 2 of co Attempts Correct 49 Question 0% 0 of co Attempts 50 Question 98.3% 2 of co Attempts CorrectOverdraft fees from some of the largest banks range from $9 to $39. Consumers believe these charges are annoying and excessive, but the fees generate huge revenue for banks, $34.3 billion in 2017. The Overdraft Protection Act of 2013 is designed to limit overdraft fees in a variety of ways and to require fees to be reasonable and proportional to the amount of the overdraft. Let X be the amount of an overdraft fee for a randomly selected bank. The probability distribution for X is given in the table. x'101215 20 25 27 30 35 38 p(x)'0.020.060.080.100.16028015007008 Suppose three banks are selected at random. What is the probability that at least one bank has an overdraft fee less than $20? (Use decimal notation. Give your answer to four decimal places.) probability
