hello can someone help me with this statistics questions

question 1 :

a. Compute the mean number of accidents per day. 4 = 1.59 (Type an integer or a decimal.) b. Compute the standard deviation. 0 = 1.607 (Type an integer or decimal rounded to three decimal places as needed.)The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) and (b) to the right. Number of Accidents Daily (X) P(X) 0.29 0.33 0.17 O G A O N- O 0.09 0.06 0.04 0.02a. The expected number of mortgages approved per week is 2.067. (Round to three decimal places as needed.) b. The standard deviation is 1.476 . (Round to three decimal places as needed.)The manager of the commercial mortgage department of a large bank has collected data during the past two years concerning the number of commercial mortgages approved per week. The results from these two years [104 weeks) are shown to the right a. Compute the expected number of mortgages approved per week. b. Compute the standard deviation. 0 m'th-OMh Number Approved Frequency :I 12 24 36 16 B 5 2 1 a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent? The mean number of online retail orders that turn out to be fraudulent is 1.2500'. {Type an integer or a decimal. Round to four decimal places as needed.) The standard deviation of the number of fraudulent retail orders is 11332'. {Type an integer or a decimal. Round to three decimal places as needed.) b. What is the probability that zero online retail orders will turn out to be fraudulent? DETGS' {Type an integer or a decimal. Round to four decimal places as needed.) c. What is the probability that one online retail order will turn out to be fraudulent? {13665; {Type an integer or a decimal. Round to four decimal places as needed.) d. What is the probability that two or more online retail orders will tum out to be fraudulent? {3.3622' {Type an integer or a decimal. Round to four decimal places as needed.) Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.01 Suppose that, on a given day. '19 online retail orders are placed. Assume that the number of online retail orders that turn out to be fraudulent is distributed as a binomial random variable. Complete parts (a) through (d) below