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. Frequency D Arrivals 0 28 1 54 2 3 6 7 35 31 22 16 8 4 2 a. Compute the expected number of arrivals per minute. H (Type an integer or decimal rounded to three decimal places as needed.) b. Compute the standard deviation. g= (Type an integer or decimal rounded to three decimal places as needed.) c. What is the probability that there will be fewer than 2 arrivals in a given minute? P(x<2)= (Type an integer or decimal rounded to three decimal places as needed.)

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. Frequency D Arrivals 0 28 1 54 2 3 6 7 35 31 22 16 8 4 2 a. Compute the expected number of arrivals per minute. H (Type an integer or decimal rounded to three decimal places as needed.) b. Compute the standard deviation. g= (Type an integer or decimal rounded to three decimal places as needed.) c. What is the probability that there will be fewer than 2 arrivals in a given minute? P(x<2)= (Type an integer or decimal rounded to three decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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