Write down the algebraic notation of the questions to help you organize information needed for entering excel functions.

5.15 Past records indicate that the probability of online retail that turn out to be fraudulent is 0_08_ Suppose that, on a given day. 20 online retail orders are placed. Assurne that the number of online retail orders that turn out to be fraudulent is distnbuted as a b"lornial raren vanable. a. What are the mean and standard deviation Of the number Of online retail orders that turn out to be fraudulent? b. What is the probability that zero online retail orders wil turn out to be fraudulent? c. What is the probability that one online retail order wil turn out to be fraudulent? d. What is the probability that or more online retail orders will tum out to be fraudulent? 5.24 The US. Department Of Transportation maintains statistics mishandled bags per 1.000 airline passengers. In 2013, Delta mishandled 2.19 bags per 1 ,OOO passengers. What is the probability that in the next 1 ,OOO passengers, Delta WiB have a, no mishandled bags? b. at least one mishandled bag? c. at least tso mishandled bags? 6.9 Consumers spent an average Of Sl 5.30 on a at a restaurant in 2014. (Data extracted from bit.tyj1KVWWxT) Assume mat the amount spent on a restaurant meal is normally distributed and that the standard deviation is $2. a. What is the probability that a randomly selected person spent more than S16? b. What is the probabdlty that a randomly selected person spent between SIO and $12? C. Bet.'.een what values will the rwddle ninety-Ove percent Of the arnounts spent fan? 6.25 A study of the tirne spent shopping in a supermarket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes, What is the probability that the shopping time wl be a. between 25 and 30 minutes? b. less than 3S minutes? C. What are the rnean and standard deviation the shopping tirne?