The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes, with the results shown in the table below. Complete (a) through (c) to the right.

Arrivals Frequency 0 20 1 46 2 43 3 36 4 24 5 16 6 9 7 4 8 2

(a) Compute the expected number of arrivals per minute.

(b) Compute the standard deviation.

c. What is the probability that there will be fewer than 2 arrivals in a given minute? (Type an integer or decimal rounded to three decimal places as needed.)