e. What is your decision regarding the null hypothesis?O Fail to reject the null.Reject the null.f. Interpret the result. A bank with a branch located in a commercial district of a city has the business objective of improving the process for servingcustomers during the noon-to-1 PM lunch period. To do so, the waiting time (defined as the number of minutes that elapses from whenthe customer enters the line until he or she reaches the teller window) needs to be shortened to increase customer satisfaction.Another bank in the area is also concerned with the noon-to-1 PM lunch period. A random sample of 12 customers is selected fromeach bank and the waiting times are the following:Bank 1:4.233.624.5333.964.854.683.554.213.254.194.03Bank 2:4.063.831.374.042.392.711.384.493.494.771.151.05Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file toyour computer and be able to use it in Excel.Is there evidence of a difference in the variability of the waiting time between the two branches? (alpha = 0.01)a. What are the null and alternate hypotheses? '.Ho: (Click to select) v (Click to select) vH1: (Click to select) v (Click to select) v|(Click to select) v|(Click to select) vb. What is the level of significance?(Round your answer to 2 decimal places.)c. Compute the value of the test statistic?sign in front of them)(Round your answer to 2 decimal places. Negative values should have a minusd. Determine the p-value(Round your final answer to 4 decimal places.)

From the provided information, Sample size (n1) = 12 and n2 = 12

A bank with a branch located in a commercial district of a city has the business objective of improving the process for serving customers during the noon-to-1 PM lunch period. To do so, the waiting time (defined as the number of minutes that elapses from when the customer enters the line until he or she reaches the teller window) needs to be shortened to increase customer satisfaction. Another bank in the area is also concerned with the noon-to-1 PM lunch period. A random sample of 12 customers is selected from each bank and the waiting times are the following: Bank 1: 4.23 3.62 3.96 4.85 4.68 3.55 4.21 3.25 4.19 4.53 4.03 Bank 2: 4.06 3.83 1.37 4.04 2.39 2.71 1.38 3.49 4.77 4.49 1.15 |1.05 Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file to your computer and be able to use it in Excel. Is there evidence of a difference in the variability of the waiting time between the two branches? (alpha = 0.01) a. What are the null and alternate hypotheses? Ho: (Click to select) v H1: (Click to select) v |(Click to select) v |(Click to select) v |(Click to select) v |(Click to select) v b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value of the test statistic? sign in front of them) (Round your answer to 2 decimal places. Negative values should have a minus d. Determine the p-value (Round your final answer to 4 decimal places.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You are the VP, Advertising for “Yo’ Mama” brand, a fashion label that caters to the young, trendy crowd with an urban, hip-hop image. While your customer base has traditionally been largely African-American, you have recognized a tremendous influx of Hispanic consumers into your market. You are preparing for next week’s annual budget meetings and you have decided to recommend an Hispanic-focused advertising campaign if the average monthly per store sales to Hispanic customers are at least the same as the average monthly per store sales to African-American customers in a sample of typical stores (sales data given below). Using an alpha of .05 and the 5-step hypothesis testing process, what will you recommend? Hint: Think about how many data points you actually have.
For a lifetime life insurance purchased by someone aged 40, some of the following information is provided: • The death benefit is paid at the end of the year of death of $35000 if you die at age 20 year from first contract, $70000 if dies after 20 years of contract. • Premiums with the same amount are paid on average twice a year for a maximum of 20 years as long as they are alive. ä40 = 18,458 60= 14,904 ä50 = 17,025 ä(2) 40:201 = 19,628 ä(2)50:101 = 17,553 20E40 0,36663 10E50 0,60182 i = 0,05 Calculate the benefit reserve at time 10, that is 10V, using the prospective method! =
ABC enters into a contract to help DEF, a ramen restaurantto design a market strategy to compete with DEF. The contract spans twelve month. DEF will pay P80,000 at the beginning of each month. At the end of the contract, ABC either will give DEF a refund of P25,000 or will be entitled to an additional P15,000 bonus, depending on whether sales at DEF at year- end increased to a target level. At the inception of the contract , ABC estimates a 30% chance that it will not earn the bonus and calculates the contract price based on the expected value of future payments to be received. At the start of the fifth month, circumstances change and ABC revise the probability that it will earn the bonus to 80% What is the adjustment to the service revenue ?

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