New legislation passed in 2017 by the U.S. Congress changed tax laws that affect how many people file their taxes in 2018 and beyond. These tax law changes will likely lead many people to seek tax advice from their accountants (The New York Times). Backen and Hayes LLC is an accounting firm in New York state. The accounting firm believes that it may have to hire additional accountants to assist with the increased demand in tax advice for the upcoming tax season. Backen and Hayes LLC has developed che following probability distribution for = number of new clients seeking tax advice. Excel File: data05-19.xlsx f(z) 20 0.05 25 0.20 30 0.25 35 0.15 40 0.15 45 0.10 50 0.10 a. Is this a valid probability distribution? - Select your answer - Explain. f(z) - Select your answer - Select your answer - b. What is the probability that Backen and Hayes LLC will obtain 40 or more new clients (to 2 decimals)? E. What is the probability that Backen and Hayes LLC will obtain fewer than 35 new clients (to 2 decimals)? d. Compute the expected value, variance, and standard deviation of x (to 2 decimals). Expected value Variance Standard Deviation

Trigonometry (MindTap Course List)
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ISBN:9781337278461
Author:Ron Larson
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SectionP.3: The Cartesian Plane And Graphs Of Equations
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New legislation passed in 2017 by the U.S. Congress changed tax laws that affect how many people file their taxes in 2018 and beyond. These tax law changes will likely lead many people to seek tax advice from their accountants (The New York Times).
Backen and Hayes LLC is an accounting firm in New York state. The accounting firm believes that it may have to hire additional accountants to assist with the increased demand in tax advice for the upcoming tax season. Backen and Hayes LLC has developed
the following probability distribution for a = number of new clients seeking tax advice.
Excel File: data05-19.xlsx
f(x)
20
0.05
25
0.20
30
0.25
35
0.15
40
0.15
45
0.10
50
0.10
a. Is this a valid probability distribution?
- Select your answer -
Explain.
f(z)
Select your answer -
- Select your answer
b. What is the probability that Backen and Hayes LLC will obtain 40 or more new clients (to 2 decimals)?
c. What is the probability that Backen and Hayes LLC will obtain fewer than 35 new clients (to 2 decimals)?
d. Compute the expected value, variance, and standard deviation of x (to 2 decimals).
Expected value
Variance
Standard Deviation
Transcribed Image Text:New legislation passed in 2017 by the U.S. Congress changed tax laws that affect how many people file their taxes in 2018 and beyond. These tax law changes will likely lead many people to seek tax advice from their accountants (The New York Times). Backen and Hayes LLC is an accounting firm in New York state. The accounting firm believes that it may have to hire additional accountants to assist with the increased demand in tax advice for the upcoming tax season. Backen and Hayes LLC has developed the following probability distribution for a = number of new clients seeking tax advice. Excel File: data05-19.xlsx f(x) 20 0.05 25 0.20 30 0.25 35 0.15 40 0.15 45 0.10 50 0.10 a. Is this a valid probability distribution? - Select your answer - Explain. f(z) Select your answer - - Select your answer b. What is the probability that Backen and Hayes LLC will obtain 40 or more new clients (to 2 decimals)? c. What is the probability that Backen and Hayes LLC will obtain fewer than 35 new clients (to 2 decimals)? d. Compute the expected value, variance, and standard deviation of x (to 2 decimals). Expected value Variance Standard Deviation
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